Laparoscopic surgery is a minimally invasive surgery, and patients need to undergo preoperative examination, preoperative consultation, preoperative dietary regimen, gastrointestinal preparation, and preoperative skin preparation before surgery. 1. Preoperative examination: In laparoscopic surgery, routine chest X-ray, electrocardiogram, blood test, etc., need to know whether the patient has basic diseases, infectious diseases, and check the coagulation function. 2. Preoperative consultation: It is necessary to combine clinical history and preoperative examination to determine whether there are contraindications to surgery, and anesthesiologists need to assess the risk of anesthesia. 3. Preoperative dietary regulation: patients are forbidden to eat anything for 8 hours before the operation, mainly to prevent the presence of esophagus in the stomach, which may cause reflux and aspiration. 4. Gastrointestinal preparation: the day before the operation, the patient should be treated with catheterization to empty the feces in the intestines, so as not to cause intraoperative contamination, and gastrointestinal decompression is also required for stomach surgery. 5. Preoperative skin preparation: according to the different parts of the patient’s surgical skin preparation, laparoscopic surgery needs to be prepared for the lower abdomen and perineum skin. It is recommended that patients actively cooperate with the doctor under the guidance of the doctor.