diff --git a/src/slic3r/GUI/AmsMappingPopup.cpp b/src/slic3r/GUI/AmsMappingPopup.cpp
index b186400356..27cd5095b6 100644
--- a/src/slic3r/GUI/AmsMappingPopup.cpp
+++ b/src/slic3r/GUI/AmsMappingPopup.cpp
@@ -1359,7 +1359,7 @@ void AmsMapingPopup::add_ext_ams_mapping(TrayData tray_data, MappingItem* item)
         }
 
         item->Bind(wxEVT_LEFT_DOWN, [this, tray_data, item](wxMouseEvent& e) {
-            if (!is_match_material(tray_data.filament_type)) return;
+            if (m_ext_mapping_filatype_check && !is_match_material(tray_data.filament_type)) return;
             item->send_event(m_current_filament_id);
             Dismiss();
             });
diff --git a/src/slic3r/GUI/AmsMappingPopup.hpp b/src/slic3r/GUI/AmsMappingPopup.hpp
index 3617c8d60a..6b18b06ec5 100644
--- a/src/slic3r/GUI/AmsMappingPopup.hpp
+++ b/src/slic3r/GUI/AmsMappingPopup.hpp
@@ -208,6 +208,7 @@ class AmsMapingPopup : public PopupWindow
 {
     bool m_use_in_sync_dialog = false;
     bool m_ams_remain_detect_flag = false;
+    bool m_ext_mapping_filatype_check = true;
     wxStaticText* m_title_text{ nullptr };
 
 public:
@@ -289,6 +290,8 @@ public:
 public:
     void msw_rescale();
 
+    void EnableExtMappingFilaTypeCheck(bool to_check = true) { m_ext_mapping_filatype_check = to_check;} ;
+
 private:
     ResetCallback m_reset_callback{nullptr};
     std::string m_material_index;
diff --git a/src/slic3r/GUI/SelectMachine.cpp b/src/slic3r/GUI/SelectMachine.cpp
index 530791266c..307cc9d0dc 100644
--- a/src/slic3r/GUI/SelectMachine.cpp
+++ b/src/slic3r/GUI/SelectMachine.cpp
@@ -80,6 +80,8 @@ SelectMachineDialog::SelectMachineDialog(Plater *plater)
     , m_mapping_tip_popup(AmsMapingTipPopup(this))
     , m_mapping_tutorial_popup(AmsTutorialPopup(this))
 {
+    m_mapping_popup.EnableExtMappingFilaTypeCheck(false);
+
     init_machine_bed_types();
 #ifdef __WINDOWS__
     SetDoubleBuffered(true);
@@ -1956,9 +1958,38 @@ void SelectMachineDialog::on_ok_btn(wxCommandEvent &event)
     MachineObject* obj_ = dev->get_selected_machine();
     if (!obj_) return;
 
-
     std::vector<ConfirmBeforeSendInfo> confirm_text;
 
+    // check more than one using in same external spool
+    std::unordered_set<string> main_external_spool_filas;
+    std::unordered_set<string> deputy_external_spool_filas;
+    for (const auto& mapping_info : m_ams_mapping_result) {
+        if (mapping_info.ams_id == VIRTUAL_AMS_MAIN_ID_STR){
+            main_external_spool_filas.insert(mapping_info.filament_id);
+        } else if (mapping_info.ams_id == VIRTUAL_AMS_DEPUTY_ID_STR) {
+            deputy_external_spool_filas.insert(mapping_info.filament_id);
+        }
+    }
+
+    if (main_external_spool_filas.size() > 1 || deputy_external_spool_filas.size() > 1) {
+        confirm_text.push_back(ConfirmBeforeSendInfo(_L("More than one filament types have been mapped to the same external spool, which may cause printing issues. The printer won't pause during printing.")));
+        has_slice_warnings = true;
+    } else {
+        //check filaments type in external spool
+        for (const auto& mapping_info : m_ams_mapping_result) {
+            if (mapping_info.ams_id != VIRTUAL_AMS_MAIN_ID_STR && mapping_info.ams_id != VIRTUAL_AMS_DEPUTY_ID_STR) {
+                continue;
+            }
+
+            const auto& mapped_fila_id = obj_->get_filament_id(mapping_info.ams_id, mapping_info.slot_id);
+            if (!mapped_fila_id.empty() && (mapped_fila_id != mapping_info.filament_id)) {
+                confirm_text.push_back(ConfirmBeforeSendInfo(_L("The filament type setting of external spool is different from the filament in the slicing file.")));
+                has_slice_warnings = true;
+                break;
+            }
+        }
+    }
+
     //Check Printer Model Id
     bool is_same_printer_type = is_same_printer_model();
     if (!is_same_printer_type && (m_print_type == PrintFromType::FROM_NORMAL)) {
@@ -1966,7 +1997,6 @@ void SelectMachineDialog::on_ok_btn(wxCommandEvent &event)
         has_slice_warnings = true;
     }
 
-
     //check blacklist
     for (auto i = 0; i < m_ams_mapping_result.size(); i++) {