The throat is always itchy and coughing, clinically there may be the following diseases: First, allergic pharyngitis, this may be what the patient ate, or inhaled allergens through the oropharynx, resulting in an allergic allergic reaction in the throat, mainly manifested as a dry and itchy throat, cough, no phlegm and so on some performance, for this case, it is recommended that the patient take blood to check the allergens, to see what the patient is allergic to, can be in Under the guidance of an otorhinolaryngologist, leukotriene receptor antagonist drugs can be applied to antagonize the symptoms of allergic coughing, and if necessary, cough medicines can be added for symptomatic treatment, and patients are advised to avoid allergens. Second, some patients may have lung and tracheal problems, such as chronic bronchitis, bronchial asthma and other lung diseases. In this case, it is recommended that the patient visit the respiratory medicine department, where the doctor will do lung auscultation, improve pulmonary function tests and bronchodilatation tests, improve lung CT and other related examinations, and carry out symptomatic treatment under the guidance of the internal medicine doctor.