After surgery for vocal polyps, there is a possibility that the irritation of the trachea from the anesthetic intubation or the congestion and swelling of the pharynx caused by the support laryngoscope may lead to laryngitis and cause irritating cough symptoms. It can be regulated by general treatment, medication and dietary regimen. 1. General treatment: keep the room at a suitable temperature and humidity, avoid inhaling dust, smoke, hand smoke and other harmful gases, while avoiding mental stress, early to bed and early to rise. 2. Medication: Inhalation of drugs such as budesonide suspension and ambroxol injection can be done through nebulization, which can stop cough and reduce swelling, and dilute the effect of phlegm. 3. Diet: Drink plenty of water, do not eat chili peppers, do not eat fried, pickled food, as well as smoked ingredients, you should choose a liquid, semi-liquid diet, should be light, soft, easy to digest and absorb, rich in nutrients. Vocal polyps always cough after surgery, it is recommended to actively seek medical treatment under the guidance of the doctor.