24 hours. According to the information of Yangzhou University, the Slender West Lake Clinic of Yangzhou University is open 24 hours. The Medical Service Center of Logistics Support Department of Yangzhou University is located in the campus of Yangzhou University with beautiful scenery and strong academic atmosphere, and is responsible for outpatient medical treatment, preventive health care, health education, physical examination, prevention and control of infectious diseases, emergency treatment of public health emergencies, and management of chronic non-communicable diseases.