If you go abroad to study medicine, people will not recognize your domestic medical undergraduate course, and you need to study again from the medical undergraduate course before you can go to graduate school.
Financial international trade can be directly applied for graduate students.
Finance feels better than international trade, but it is more difficult. Especially mathematics needs a good foundation.
If you go back to China, if you are in a good school, you will feel similar. If it is an ordinary school, medicine is more difficult to read, so the prospect is better, because it should start from undergraduate course.
Finally, I don't know what level you are ... besides, the advantage after the college entrance examination is at least 985.