Coughing when the throat is itchy, considering the existence of allergic pharyngitis, cough variant asthma and other diseases caused by the need to identify the cause of the disease and then targeted treatment. 1. Allergic pharyngitis: an allergic disease that occurs in the throat area and can lead to itchy throat and coughing and other uncomfortable symptoms. Under the guidance of a doctor, the use of nebulized inhalation glucocorticosteroid drugs for relief, such as beclomethasone propionate aerosol, can relieve the swelling of the mucous membrane of the throat, pain and other uncomfortable symptoms; Antihistamines such as chlorpheniramine and loratadine can also be given to reduce exudation and edema. 2. Cough variant asthma: it can also cause patients to appear throat itching as well as irritating dry cough phenomenon, can be relieved by inhalation of small doses of glucocorticosteroid drugs, such as beclomethasone, budesonide, can inhibit airway inflammation, alleviate coughing and other uncomfortable symptoms; Cough can also be relieved by inhalation of beta 2 agonists such as salbutamol and terbutaline, which can dilate the bronchial tubes. Specific treatment should be carried out under the guidance of a doctor and should not be used without authorization.