When a dry cough occurs, common causes may be due to lesions in the nose, trachea, lungs, esophagus, stomach and other tissues, such as allergies, infections, inflammation and other phenomena. It is necessary to identify the cause of the cough and the symptoms of the cough to treat the symptoms and causes, such as improving lifestyle and medication. 1. Improvement of lifestyle: Patients with allergic cough are often exposed to allergens that cause the body to develop a stress response and coughing symptoms. Patients with mild cough need to stay away from allergens to reduce the allergic reaction. Patients with severe cough need to use glucocorticoid medication under the guidance of a doctor for relief. 2. Medication: Some patients have mycoplasma infections, causing dry cough symptoms. At this time, under the guidance of the doctor, the use of macrolide antibiotics to carry out anti-infection treatment, such as azithromycin, erythromycin, erythromycin and so on. Symptoms of dry cough may also be other reasons, such as lung malignant tumors, etc., should be timely to the hospital for diagnosis and treatment, do not blindly carry out treatment.