What are the preoperative preparations and postoperative precautions for eyelid skin laxity? Patients are required to get a good night’s sleep two days before surgery, and to temporarily stop taking blood-activating drugs such as aspirin and warfarin a week before surgery to prevent excessive bleeding during surgery. The general condition of the patient should be good, no serious respiratory and cardiovascular diseases; electrocardiogram is basically normal, blood pressure is controlled within the normal range; blood tests to check the routine blood, blood sugar, clotting time are normal; recently there is no cold, fever and other acute diseases, then the surgery can be arranged. The surgery can usually be performed in an outpatient operating room and takes about 1-2 hours. After the surgery, you need to use both hands to compress the surgical incision to stop the bleeding for twenty minutes and go home after there is no abnormality. Oral antibiotics should be taken for 3 days and the diet should be light and free of spicy and stimulating foods. The next day after the operation to change the medicine, 5-7 days to remove the stitches, during this period the incision can not touch the water to prevent infection.