Conclusion: The results show that the rate of process observation was 66.7%; The rate of process observation of the main surgeons was 94.4%, the anesthetist was 92.85% and nurses was 79.4%; The rate of process observation for step 1 before surgery was 71.5%, The rate of process observation with step 2 in surgery was 95.2% and step 3 after surgery was 100%.