According to the provisions in the Notice of the General Office of the Ministry of Education on Further Improving the Management of College Students' Accommodation, the student dormitory must set a threshold according to the fire control requirements, the height from the indoor level to the threshold should not be less than 1 m, and the width of the door should not be less than 0.8m.. Therefore, the design of dormitory beds in Jinzhou Middle School also follows this regulation, and the size of dormitory beds is 180cm× 90cm.