Summer developed by students in northern Qing Dynasty has very strict examination conditions. It is stipulated that only universities in Beijing 2 1 1, 985 and famous overseas schools are eligible to enter.

Summer is a new generation of college students' dating APP created by the joint venture team of Peking University and Tsinghua University in June 20 17. The main function is to make friends with students from different schools by answering questions, and to find friends and even lovers who fit in with themselves through the blackboard wall, rabbit hole and many communication boards in the school.