The object of cleft lip repair surgery is a baby. Although there is not much bleeding during operation, we should attach great importance to it. Before the operation, the baby must be in the process of gaining weight and weigh more than 5 kg; Both red blood cell count and hemoglobin must be within the normal range. If the white blood cell count is greater than 10⑼/L, the reason must be found out and the operation must be performed after the treatment and band return to normal. The bleeding and clotting time of the baby should also be normal. In addition, pay attention to whether the baby's thymus has degenerated. If it has not degenerated, we should pay attention to the operation.

Wash your face, lips and nostrils with soap in the morning. During the operation, the operating area was disinfected with 1: 1000 benzalkonium bromide or 75% ethanol. Generally, blood transfusion is not needed during operation, but 5% glucose should be infused intravenously. Take the supine position during the operation, raise the shoulders to make the head lean back, which is not only convenient for the operation, but also allows the blood to accumulate in the nasopharyngeal cavity during the operation and not be inhaled into the lungs. However, any secretions and blood clots in the throat must be removed at any time during the operation. Maintaining respiratory tract from beginning to end during operation is the key to ensure the safety of operation.