During the summer vacation, Tsinghua Peking University is full of tourists, and garbage such as lunch boxes, empty water bottles and paper towels left by the queuing crowd can be seen everywhere. The sanitation worker who cleans up garbage said that since the summer vacation, a large number of tourists have lined up to visit the campus, and there is a lot of garbage every day.

During the summer vacation, both Tsinghua and Peking University issued campus visit management announcements, and people with limited time were registered in the school every day. Visitors queuing to visit the campus were discharged to 100 meters away, and security guards posted signs indicating that the visit was full and stopped queuing.

It is reported that every summer, the daily average number of tourists in Tsinghua of Peking University is more than 10,000. Free hot spots for group tours and student tours. There are more tourists, more people waiting in line, and then the garbage comes.

At present, a notice has been put up in front of the West Gate of Tsinghua, asking tourists to abide by social morality and care for the campus environment.