The order in which hospitals schedule surgeries depends on the degree of urgency of the condition and the grading of the surgical incision, and has nothing to do with whether the outcome is good or bad. Generally speaking, complicated surgeries or patients with critical conditions will be prioritized, and according to the degree of urgency, they can be divided into emergency surgeries and elective surgeries, with emergency surgeries having the highest priority because of their critical conditions. Elective surgery refers to the surgery timing can be grasped by themselves, the patient’s own most suitable time to carry out the surgery. The sorting principle of elective surgery is usually according to the grading of surgical incisions, first of all, the first level of sterile incisions (such as thyroid surgery artificial joint replacement, heart-related surgery, etc.); followed by the second level of potentially contaminated incisions (such as stomach surgery, esophagus surgery, etc.). Surgical incisions for the appendix, gallbladder, anus, etc. are class III contaminated incisions; and lastly, class IV infected incisions, where patients with infectious diseases or infected foci are usually scheduled last. Patients are advised to follow the doctor’s instructions, not to worry too much, the doctor treats every patient the same, and to adjust their mood so as not to affect the post-operative recovery.