Itchy throat and dry cough may be caused by bad habits, such as smoking, and can be relieved after quitting smoking. It may also be caused by allergic laryngitis, cough variant asthma, etc., which can be treated with medication. 1. Bad habits: frequent smoking, eating spicy and stimulating food will cause excessive stimulation of the throat, the patient will feel itchy throat and dry cough symptoms, quit smoking, light diet can effectively relieve the symptoms. 2. Allergic pharyngolaryngitis: If the patient is in contact with allergens, allergic pharyngolaryngolaryngitis may occur, and common symptoms include itchy throat, dry cough, and foreign body sensation, etc. It can be treated with medication, such as diclofenac, which can be used to treat the symptoms. It can be treated with medications such as diclofenac tartrate, beclomethasone propionate aerosol and montelukast sodium. 3. Cough variant asthma: it is an airway hyperresponsiveness disease with tickling throat and cough as the main symptoms, and the cough is irritating dry cough, which can be treated by nebulized inhalation therapy such as salbutamol and terbutaline to improve the airway hyperresponsiveness. Symptoms of itchy throat and dry cough, first of all, to improve the bad habits, such as the effect is not good, it is recommended that the hospital consultation, diagnosis is clear and follow the doctor’s instructions for medication and treatment.