The symptoms of itching and coughing in the throat when the patient inhales are often caused by chronic inflammatory diseases in the throat, and some patients may also have a certain degree of mucosal allergy in the throat. In addition, patients may also suffer from allergic diseases of the entire respiratory tract, accompanied by symptoms such as allergic rhinitis and hyperreactivity of the lower respiratory tract, also combined with symptoms such as allergy, itching and coughing of the mucous membrane of the throat, and may also be related to exposure to allergenic substances such as dust and pollen in the air environment during the high allergy season.