Precautions after vocal cord paralysis surgery include vocal rest, voice training, and paying attention to diet. 1. Vocal rest: avoid all kinds of vocalizations, such as talking, coughing, clearing throat, crying, etc., about 1 week after surgery; about 10 days after surgery, you should make slight vocalizations, avoid shouting and continuous use of voice. 2. Voice training: 1 week to 2 weeks after the operation, you can carry out voice training under the guidance of a professional doctor, appropriate resonance vocalization, breathing, air flow and other training methods, slowly transition from slight vocalization to normal vocalization. 3. Pay attention to diet: avoid eating spicy and stimulating food, strong tea, carbonated drinks, coffee, avoid alcohol and tobacco. To keep the vocal folds moist, drink up to 1.5~2L of water per day, you can drink plain water, light tea and so on. After vocal cord paralysis surgery should follow the doctor’s instructions to do a good job of surgical care.