Tonsils are the gateway to the human body and have a certain immune function, so cutting them off may affect the patient’s resistance. 2. The patient may feel that the throat is dry after the tonsil is removed. 4. The lymphoid follicular hyperplasia of the posterior pharyngeal wall may increase more obviously after the tonsil is removed. 5. When the patient eats spicy and stimulating food, the lymphoid follicular secretion of the posterior pharyngeal wall increases significantly, resulting in the formation of a large amount of mucous phlegm.