1. After mandibular angle surgery, the patient must be hospitalized for 2-3 days. For about 2 days, the patient could not eat, and relied on infusion to maintain his physiological needs. During this period, the doctor will continue to input painkillers into the patient's body in a small amount through special instruments to relieve the patient's pain feeling.

After 2.2 days, patients can eat some liquid foods such as milk and juice, and after 3 days, they can eat semi-liquid foods such as porridge, and then gradually transition to a normal diet. After each meal, the patient should rinse his mouth with mouthwash and keep his mouth clean until the stitches are removed. Within three months after operation, patients should avoid eating too salty and spicy, and avoid eating hard things that are difficult to chew, and pay attention to facial expressions.

3. After the mandibular angle surgery, the face should be bandaged under pressure for 3-4 days, and you can simply wash your face after removing it, and you can wash your hair after removing the stitches for 7 days.

4. Within one month after operation, the patient should pay attention to the sleeping posture and keep his head lying flat above the heart, which will help to reduce swelling and avoid prone or supine.

5. Within 3 weeks after operation, anticoagulant drugs, blood activating drugs and tonics, and drugs that affect wound healing, such as ginseng, aspirin, blood activating drugs, diet pills, menstruation regulating drugs, etc. Smoking and drinking are prohibited.

6. After mandibular angle surgery, patients should avoid strenuous exercise, sauna and facial massage except simple walking, and the surgical site should pay attention to avoid being hit.