Just swipe your card directly. Teachers, students and employees swipe their cards to scan the code when entering and leaving the school, buy meals in the school canteen, turn on water, take a bath in the bathhouse, shop in the supermarket, wash clothes, shine shoes, blow dryers and charge electric cars; Borrowing books from the school library, using the computer in the computer room, access control, attendance of personnel and educational affairs, identity authentication of parking lot management by swiping cards, and making phone calls by inserting campus IC phone cards can all be completed with this campus card, and finally "one card in hand, traveling all over the campus" can be realized.