At present, university dormitories in Beijing and Wuhan are basically one for four people, and some schools with tight buildings are one for six or even eight people. The author saw in the dormitory of Beijing Forestry University that there are 6 beds in a room of about 10 square meter. Xiao Feng of the dormitory said with a little exaggeration that it would be a little difficult to turn around if all the roommates came back. According to him, three people in the dormitory have moved out.