It is a rigid rule of the hospital not to keep the appointment number after it expires, in order to prevent some patients from wasting valuable resources of doctors. You know, many people come from other provinces to see experts, and they can't sleep all night because of the pain. In addition, the doctor's plus sign is to work overtime after completing normal workload. Generally, doctors with diseases will not add this sign unless the patient is extremely serious. Dr. Liu basically has one or two operations a day, and he has to undertake scientific research and teaching tasks. The doctor is really tired. Let's understand each other-a patient who is familiar with the process of seeing a doctor in Huaxi Hospital.