Generally speaking, nodules or polyps can be repaired in a few minutes with fine traditional laryngeal microsurgery, and the original sound quality can be restored to more than 95% after postoperative care. Microsurgery will basically not change the tension and thickness of the patient's original vocal cords, so after this operation, the patient can only restore the timbre and frequency before the onset, and can't change to another dream sound. This operation is suitable for patients with depressed vocal cords, hoarseness or congenital defects. Patients with hypertension, heart disease, diabetes, infectious diseases, hematological diseases, allergic history and scar hyperplasia are not suitable! Preparation before voice plastic surgery 1, patients and doctors should have a comprehensive and in-depth preoperative conversation to understand the size, steps, pain, recovery speed and possible effects of the operation; Possible risks; The doctor should know the patient's face, the motivation of the operation and whether the expectation of the operation is realistic. 2. Physical health examination: exclude possible medical diseases such as heart, lung, liver and blood, previous surgical history, medication history and allergic history. 3. Stop drinking and taking vasodilators such as aspirin and vitamin E one week before the operation. 4. Wash your hair once a day for 3 days before operation; Sleeping pills can be taken properly one night before operation, and sedatives and painkillers can be used as appropriate half an hour before operation; According to the anesthesia, decide whether fasting is needed. Nursing after voice plastic surgery 1, try to avoid water within 7 days after surgery; 2. Have a quiet and comfortable environment to recuperate after operation; 3. avoid eating irritating foods such as peppers.