How many days does it take for Hubei undergraduate thesis defense to return to school?

It usually takes three days to go back to school.

First of all, you should communicate with the tutor for the last time and ask the tutor about the matters needing attention in the defense. The second day is a formal defense, and you need to sort out the knowledge points of the paper in advance. It is best to stay in school for one day after the defense to avoid other things.