diff --git a/client/packages/lowcoder/src/comps/comps/buttonComp/buttonComp.tsx b/client/packages/lowcoder/src/comps/comps/buttonComp/buttonComp.tsx
index a6d6f8889..bd019ab66 100644
--- a/client/packages/lowcoder/src/comps/comps/buttonComp/buttonComp.tsx
+++ b/client/packages/lowcoder/src/comps/comps/buttonComp/buttonComp.tsx
@@ -1,4 +1,4 @@
-import { BoolCodeControl, StringControl } from "comps/controls/codeControl";
+import { BoolCodeControl, StringControl, NumberControl } from "comps/controls/codeControl";
 import { dropdownControl } from "comps/controls/dropdownControl";
 import { ButtonEventHandlerControl } from "comps/controls/eventHandlerControl";
 import { IconControl } from "comps/controls/iconControl";
@@ -137,7 +137,8 @@ const childrenMap = {
   disabledStyle: DisabledButtonStyleControl,
   animationStyle: styleControl(AnimationStyle, 'animationStyle'),
   viewRef: RefControl<HTMLElement>,
-  tooltip: StringControl
+  tooltip: StringControl,
+  tabIndex: NumberControl
 };
 
 type ChildrenType = NewChildren<RecordConstructorToComp<typeof childrenMap>>;
@@ -162,8 +163,12 @@ const ButtonPropertyView = React.memo((props: {
               disabledPropertyView(props.children),
               hiddenPropertyView(props.children),
               loadingPropertyView(props.children),
+              props.children.tabIndex.propertyView({ label: trans("prop.tabIndex") }),
             ]
-            : props.children.form.getPropertyView()}
+            : [
+              props.children.form.getPropertyView(),
+              props.children.tabIndex.propertyView({ label: trans("prop.tabIndex") }),
+            ]}
           </Section>
         </>
       )}
@@ -222,6 +227,7 @@ const ButtonView = React.memo((props: ToViewReturn<ChildrenType>) => {
                 (!isDefault(props.type) && getForm(editorState, props.form)?.disableSubmit())
               }
               onClick={handleClick}
+              tabIndex={typeof props.tabIndex === 'number' ? props.tabIndex : undefined}
             >
               {props.prefixIcon && <IconWrapper>{props.prefixIcon}</IconWrapper>}
               {
diff --git a/client/packages/lowcoder/src/comps/comps/buttonComp/linkComp.tsx b/client/packages/lowcoder/src/comps/comps/buttonComp/linkComp.tsx
index 43cb5959a..b96fe77ea 100644
--- a/client/packages/lowcoder/src/comps/comps/buttonComp/linkComp.tsx
+++ b/client/packages/lowcoder/src/comps/comps/buttonComp/linkComp.tsx
@@ -1,6 +1,6 @@
 import { default as Button } from "antd/es/button";
 import { ButtonCompWrapper, buttonRefMethods } from "comps/comps/buttonComp/buttonCompConstants";
-import { BoolCodeControl, StringControl } from "comps/controls/codeControl";
+import { BoolCodeControl, StringControl, NumberControl } from "comps/controls/codeControl";
 import { ButtonEventHandlerControl } from "comps/controls/eventHandlerControl";
 import { styleControl } from "comps/controls/styleControl";
 import { AnimationStyle, AnimationStyleType, LinkStyle, LinkStyleType } from "comps/controls/styleControlConstants";
@@ -91,6 +91,7 @@ const LinkTmpComp = (function () {
     prefixIcon: IconControl,
     suffixIcon: IconControl,
     viewRef: RefControl<HTMLElement>,
+    tabIndex: NumberControl,
   };
   return new UICompBuilder(childrenMap, (props) => {  
     // chrome86 bug: button children should not contain only empty span
@@ -105,6 +106,7 @@ const LinkTmpComp = (function () {
           disabled={props.disabled}
           onClick={() => props.onEvent("click")}
           type={"link"}
+          tabIndex={typeof props.tabIndex === 'number' ? props.tabIndex : undefined}
         >
           {hasChildren && (
             <span>
@@ -131,6 +133,7 @@ const LinkTmpComp = (function () {
               {hiddenPropertyView(children)}
               {loadingPropertyView(children)}
               {showDataLoadingIndicatorsPropertyView(children)}
+              {children.tabIndex.propertyView({ label: trans("prop.tabIndex") })}
             </Section>
               <Section name={sectionNames.advanced}>
                 {children.prefixIcon.propertyView({ label: trans("button.prefixIcon") })}
diff --git a/client/packages/lowcoder/src/comps/comps/buttonComp/toggleButtonComp.tsx b/client/packages/lowcoder/src/comps/comps/buttonComp/toggleButtonComp.tsx
index 654ec6659..ce82c9ff5 100644
--- a/client/packages/lowcoder/src/comps/comps/buttonComp/toggleButtonComp.tsx
+++ b/client/packages/lowcoder/src/comps/comps/buttonComp/toggleButtonComp.tsx
@@ -1,4 +1,4 @@
-import { BoolCodeControl, StringControl } from "comps/controls/codeControl";
+import { BoolCodeControl, StringControl, NumberControl } from "comps/controls/codeControl";
 import { withDefault } from "comps/generators";
 import { UICompBuilder } from "comps/generators/uiCompBuilder";
 import {
@@ -68,6 +68,7 @@ const ToggleTmpComp = (function () {
     showBorder: withDefault(BoolControl, true),
     viewRef: RefControl<HTMLElement>,
     tooltip: StringControl,
+    tabIndex: NumberControl,
   };
   return new UICompBuilder(childrenMap, (props) => {
     const text = props.showText
@@ -92,6 +93,7 @@ const ToggleTmpComp = (function () {
               props.onEvent("change");
               props.value.onChange(!props.value.value);
             }}
+            tabIndex={typeof props.tabIndex === 'number' ? props.tabIndex : undefined}
           >
             {props.iconPosition === "right" && text}
             {<IconWrapper>{props.value.value ? props.trueIcon : props.falseIcon}</IconWrapper>}
@@ -117,6 +119,7 @@ const ToggleTmpComp = (function () {
               {hiddenPropertyView(children)}
               {loadingPropertyView(children)}
               {showDataLoadingIndicatorsPropertyView(children)}
+              {children.tabIndex.propertyView({ label: trans("prop.tabIndex") })}
             </Section>
             <Section name={sectionNames.advanced}>
               {children.showText.propertyView({ label: trans("toggleButton.showText") })}
diff --git a/client/packages/lowcoder/src/comps/comps/meetingComp/controlButton.tsx b/client/packages/lowcoder/src/comps/comps/meetingComp/controlButton.tsx
index 543644b55..c5e7709c9 100644
--- a/client/packages/lowcoder/src/comps/comps/meetingComp/controlButton.tsx
+++ b/client/packages/lowcoder/src/comps/comps/meetingComp/controlButton.tsx
@@ -1,4 +1,4 @@
-import { BoolCodeControl, StringControl } from "comps/controls/codeControl";
+import { BoolCodeControl, StringControl, NumberControl } from "comps/controls/codeControl";
 import { dropdownControl } from "comps/controls/dropdownControl";
 import { ButtonEventHandlerControl } from "comps/controls/eventHandlerControl";
 import { IconControl } from "comps/controls/iconControl";
@@ -204,7 +204,8 @@ const childrenMap = {
   style: ButtonStyleControl,
   viewRef: RefControl<HTMLElement>,
   restrictPaddingOnRotation:withDefault(StringControl, 'controlButton'),
-  tooltip: StringControl
+  tooltip: StringControl,
+  tabIndex: NumberControl
 };
 
 let ButtonTmpComp = (function () {
@@ -294,6 +295,7 @@ let ButtonTmpComp = (function () {
                       ? handleClickEvent()
                       : submitForm(editorState, props.form)
                   }
+                  tabIndex={typeof props.tabIndex === 'number' ? props.tabIndex : undefined}
                 >
                   {props.sourceMode === 'standard' && props.prefixIcon && (
                     <IconWrapper
@@ -342,6 +344,7 @@ let ButtonTmpComp = (function () {
             {disabledPropertyView(children)}
             {hiddenPropertyView(children)}
             {loadingPropertyView(children)}
+            {children.tabIndex.propertyView({ label: trans("prop.tabIndex") })}
           </Section>
         )}
 
diff --git a/client/packages/lowcoder/src/comps/comps/selectInputComp/checkboxComp.tsx b/client/packages/lowcoder/src/comps/comps/selectInputComp/checkboxComp.tsx
index 9a7abb8bd..6f3cfec54 100644
--- a/client/packages/lowcoder/src/comps/comps/selectInputComp/checkboxComp.tsx
+++ b/client/packages/lowcoder/src/comps/comps/selectInputComp/checkboxComp.tsx
@@ -214,8 +214,20 @@ let CheckboxBasicComp = (function () {
 
   return new UICompBuilder(childrenMap, (props) => {
     const mountedRef = useRef(true);
+    const checkboxRef = useRef<HTMLDivElement | null>(null);
     const [validateState, handleChange] = useSelectInputValidate(props);
 
+    useEffect(() => {
+      if (!mountedRef.current) return;
+      if (checkboxRef.current && typeof props.tabIndex === 'number') {
+        const checkboxInputs = checkboxRef.current.querySelectorAll('input[type="checkbox"]');
+        checkboxInputs.forEach((input, index) => {
+          // Set sequential tabindex for each checkbox
+          input.setAttribute('tabindex', (props.tabIndex + index).toString());
+        });
+      }
+    }, [props.tabIndex, props.options]);
+
     useEffect(() => {
       return () => {
         mountedRef.current = false;
@@ -251,7 +263,13 @@ let CheckboxBasicComp = (function () {
           layout={props.layout}
           options={filteredOptions()}
           onChange={handleValidateChange}
-          viewRef={props.viewRef}
+          viewRef={(el) => {
+            if (!mountedRef.current) return;
+            if (el) {
+              props.viewRef(el);
+              checkboxRef.current = el;
+            }
+          }}
           tabIndex={typeof props.tabIndex === 'number' ? props.tabIndex : undefined}
         />
       ),
diff --git a/client/packages/lowcoder/src/comps/comps/selectInputComp/selectCompConstants.tsx b/client/packages/lowcoder/src/comps/comps/selectInputComp/selectCompConstants.tsx
index a5d55ca93..a75b9f05c 100644
--- a/client/packages/lowcoder/src/comps/comps/selectInputComp/selectCompConstants.tsx
+++ b/client/packages/lowcoder/src/comps/comps/selectInputComp/selectCompConstants.tsx
@@ -6,7 +6,7 @@ import {
 } from "lowcoder-core";
 import { BoolControl } from "../../controls/boolControl";
 import { LabelControl } from "../../controls/labelControl";
-import { BoolCodeControl, StringControl } from "../../controls/codeControl";
+import { BoolCodeControl, StringControl, NumberControl } from "../../controls/codeControl";
 import { PaddingControl } from "../../controls/paddingControl";
 import { MarginControl } from "../../controls/marginControl";
 import {
@@ -242,6 +242,7 @@ export const SelectChildrenMap = {
   margin: MarginControl,
   padding: PaddingControl,
   inputFieldStyle:styleControl(SelectStyle),
+  tabIndex: NumberControl,
   ...SelectInputValidationChildren,
   ...formDataChildren,
 };
@@ -269,6 +270,7 @@ export const SelectUIView = (
     placeholder={props.placeholder}
     value={props.value}
     showSearch={props.showSearch}
+    tabIndex={typeof props.tabIndex === 'number' ? props.tabIndex : undefined}
     filterOption={(input, option) => {
       if (!option) return false;
       return String(option.label ?? option.value ?? "").toLowerCase().includes(input.toLowerCase());
@@ -348,6 +350,7 @@ export const SelectPropertyView = (
           {disabledPropertyView(children)}
           {hiddenPropertyView(children)}
           {showDataLoadingIndicatorsPropertyView(children as any)}
+          {children.tabIndex.propertyView({ label: trans("prop.tabIndex") })}
         </Section>
       </>
     )}