The precautions after vocal polyp surgery include prohibiting voice, prohibiting smoking and alcohol, avoiding violent coughing, and strengthening oral care. 1. One week after surgery, you need to strictly prohibit voice, smoking and alcohol. After that, you should talk less and avoid long or loud speech to reduce the edema of the vocal cords. 2. After the operation, patients should be prevented from coughing violently and coughing up sputum with force, and when suctioning sputum, the action should be gentle and the pressure should not be too large to prevent bleeding from the wound. When the patient has secretion in the mouth, he should spit it out in time. After general anesthesia operation, patients can eat liquid diet after fully awake, and then transition to semi-liquid and soft food day by day. 3. Strengthen oral care, keep the mouth clean, prevent oral infection. Any discomfort after vocal polyp surgery, should go to the hospital, under the guidance of the doctor standardized treatment.