There are 20 student apartments in dalian polytechnic university, covering an area of over100000 square meters. Each apartment is equipped with self-service automatic washing machine, dryer, electric water heater, small supermarket, public toolbox and other living facilities, which can well meet the needs of students' study and life. Among them, high-grade apartment 15 building, the charging standard is 1.200 yuan/year. Each room can accommodate 4 people. Rooms are equipped with computer desks, bookshelves, program-controlled telephone contacts, wardrobes and other facilities, and some apartments are equipped with indoor toilets. Mid-range apartment building 1, charging standard 1000 yuan/year. Each room can accommodate 6 people, and the room is equipped with study desks, bookshelves, program-controlled telephone contacts, wardrobes and other facilities. There are 4 ordinary apartment buildings with 8 or 6 people in each room. The charging standard is 500 yuan/year. The room is equipped with study desk, wardrobe, program-controlled telephone contact and other facilities. But none of them are equipped with air conditioning. According to the student management regulations of the school, the school will arrange accommodation for new students after they enter the school, and students are not allowed to stay outside the school.