1. Only the canteen on the second floor of Tingtao Garden in Tsinghua University can use cash.

2. Those who use cash can only order food, which is more expensive.

3. Other canteens can't use cash, so you must buy temporary meal cards. One card 10 yuan is charged with a management fee of 10%, and one card 10 yuan can only be consumed in 9 yuan.

4. canteen all restaurants can use cash. Bauhinia in the north, peaches and plums on the first floor, peaches and plums on the third floor. Yushu Garden in the northeast, Yonghe Guanchou Garden on the first floor in the northwest, Qingqing fast food in the middle, Zhaolan Garden in the east and so on. Cash can be used in restaurants near Spring Garden, Xichun Park Restaurant, Jiasuo, Lan Zhi Garden and Yushu Garden.

There are many fast food restaurants that can pay cash, such as the fast food restaurant opposite Tingtao Garden and Wanrenyonghe on the first floor.