diff --git a/localazy.json b/localazy.json
index 7bd86e4f84..723183486c 100644
--- a/localazy.json
+++ b/localazy.json
@@ -53,6 +53,11 @@
 				"type": "po",
 				"pattern": "localization/i18n/ru/OrcaSlicer_ru.po",
 				"lang": "ru"
+			},
+			{
+				"type": "po",
+				"pattern": "localization/i18n/zh_TW/OrcaSlicer_zh_TW.po",
+				"lang": "zh_TW"
 			}
 		]
 	},
diff --git a/resources/i18n/zh_TW/OrcaSlicer.mo b/resources/i18n/zh_TW/OrcaSlicer.mo
new file mode 100644
index 0000000000..ab52e04e78
Binary files /dev/null and b/resources/i18n/zh_TW/OrcaSlicer.mo differ
diff --git a/src/slic3r/GUI/Preferences.cpp b/src/slic3r/GUI/Preferences.cpp
index b6a53fa4df..e50a677385 100644
--- a/src/slic3r/GUI/Preferences.cpp
+++ b/src/slic3r/GUI/Preferences.cpp
@@ -6,6 +6,7 @@
 #include "MsgDialog.hpp"
 #include "I18N.hpp"
 #include "libslic3r/AppConfig.hpp"
+#include <wx/language.h>
 #include <wx/notebook.h>
 #include "Notebook.hpp"
 #include "OG_CustomCtrl.hpp"
@@ -112,6 +113,9 @@ wxBoxSizer *PreferencesDialog::create_item_language_combobox(
         if (vlist[i] == wxLocale::GetLanguageInfo(wxLANGUAGE_CHINESE_SIMPLIFIED)) {
             language_name = wxString::FromUTF8("\xe4\xb8\xad\xe6\x96\x87\x28\xe7\xae\x80\xe4\xbd\x93\x29");
         }
+        else if (vlist[i] == wxLocale::GetLanguageInfo(wxLANGUAGE_CHINESE)) {
+            language_name = wxString::FromUTF8("\xe4\xb8\xad\xe6\x96\x87\x28\xe7\xb9\x81\xe4\xbd\x93\x29");
+        }
         else if (vlist[i] == wxLocale::GetLanguageInfo(wxLANGUAGE_SPANISH)) {
             language_name = wxString::FromUTF8("\x45\x73\x70\x61\xc3\xb1\x6f\x6c");
         }
@@ -928,6 +932,7 @@ wxWindow* PreferencesDialog::create_general_page()
     wxLanguage supported_languages[]{
         wxLANGUAGE_ENGLISH,
         wxLANGUAGE_CHINESE_SIMPLIFIED,
+        wxLANGUAGE_CHINESE,
         wxLANGUAGE_GERMAN,
         wxLANGUAGE_CZECH,
         wxLANGUAGE_FRENCH,