1, measure body temperature, pulse, respiration and blood pressure. If you have a cold, fever or other illness changes, you should report to the doctor whether to postpone the operation.

2, emptying urine, lower abdominal surgery, pelvic surgery and more than 4 hours of surgery should be placed catheter, should be properly fixed.

3, gastrointestinal surgery and epigastric surgery, gastric tube should be placed.

4, check whether the surgical field skin preparation meets the requirements, need skin grafting, plastic surgery, joint surgery, surgical area skin after disinfection with 70% alcohol, with a sterile towel to wipe.

5. Remove dentures, hairpins, glasses, watches, jewelry, etc. And give valuables and money to the head nurse for safekeeping.

6. According to the doctor's advice, inject preoperative drugs for half an hour before operation.

7. Prepare the medical records, X-ray photos, CT photos, MRI photos, drainage bottles and medicines needed for the operation, and bring them into the operating room with the patients.

8. After the patient enters the operating room, the ward should prepare the bed unit and first aid items according to the requirements of surgery and anesthesia.