1, time schedule: avoid menstrual period, avoid sweating environment and reduce unnecessary activities during this period.

2. Diet control: especially the operation involving general anesthesia should be carried out according to the doctor's advice, and fasting should be carried out within the specified time.

3. Preoperative examination: past medical records, allergic history, blood routine, electrocardiogram, etc.

4, drug taboo: do not eat aspirin and other drugs that are not conducive to blood coagulation.

5. Psychological expectation: All operations need operation time and recovery time. Everyone's physique is different, and there will be individual differences, so you should relax and not be nervous.