1, tumescent anesthesia or "little milk" intravenous sedation anesthesia, depending on the number of liposuction sites, the time varies from 1 hour to 3 hours. Therefore, fasting (including boiling water) should be done at least eight hours before the operation.

2. Smoking is prohibited two weeks ago, and aspirin, hormones and other drugs are prohibited three days ago to reduce postoperative wound congestion. The elastic corset prepared in advance should be brought into the operating room, so that it can be put on you immediately after the operation to reduce the congestion of the wound after the operation.

3. If you use sleep anesthesia in liposuction and weight loss surgery, you must fast for 4 hours before liposuction and weight loss surgery.

4. If liposuction and weight loss surgery adopts general anesthesia, meals must be banned 8 hours before the operation.

5. Avoid drinking alcohol 1 week before liposuction to lose weight.