Hi @AnHuaZh,
I think that Professional exams are only available in English. Some Expert and Master AEM exams are also in Japanese. This is the screen from cert metrics, for confirmation:
![certmetrics.png certmetrics.png](https://experienceleaguecommunities.adobe.com/t5/image/serverpage/image-id/77160iC204CF3CF1D91B81/image-size/medium?v=v2&px=400)
You can also check each exam specific page, full list can be found under:
Each page includes Exam details section with Available languages information.