sleep
If college students don't know what to do on weekends, then go to bed.
play games
Team up with classmates and friends to play games. CSGO, Jedi Survival, the glory of the king can all play together.
Study and prepare for the exam
College students can get many certificates after three or four years in school. For example: CET-4 and CET-6 certificates, computer level-1 and level-2 certificates, teacher qualification certificates, junior accountant certificates, etc. At this time of the weekend, you can use it to learn about the certificate you want to take.
see a movie
You can find the movies you are interested in online, and a movie can kill an hour.