You can buy a meal ticket when you go to the canteen, but if you want to increase the work cost, you can borrow a card from any classmate. When the library enters the library, you need to swipe your card. Foreigners must apply for a library card first, or find a student from Jiaotong University to bring it in. Just ask the security guard for details. If you are a student from another school, registering with a student ID card will generally let you in.