I have been to the swimming pool of Dalian University. It is clean and open to the public. If you are not a student of Dalian University, you have to go to 20 yuan every time and 300 yuan 20 times to get a card, and you will use it up within 3 months. Opening hours: Monday to Friday11:40-18: 40, Saturday to Sunday 9:00- 15:00.