Cough can be caused by allergic asthma, pneumonia, COPD, etc. Cough can be treated by general treatment and medication. 1. General treatment (1) If the patient’s cough is caused by allergy, the first step is to keep away from allergens to prevent further aggravation of the condition. (2) If the cough is caused by other lung diseases such as pneumonia or chronic obstructive pulmonary disease (COPD), the patient should quit smoking, eat a light diet and avoid spicy and irritating foods. Regular work and rest, avoid staying up late. 2. Medication (1) If it is allergic asthma, then you can take anti-allergy drugs such as paracetamol, cetirizine, etc. to relieve cough symptoms. (2) If the cough is caused by pneumonia, antibiotics such as piperacillin sulbactam and levofloxacin can be used to treat bacterial pneumonia. For viral pneumonia, antiviral treatment such as abidol tablets and acyclovir can be used. (3) If it is caused by chronic obstructive pulmonary disease, cough suppressant drugs such as Su Huang Cough Capsules and Aminophylline can be used appropriately, and anti-infective treatment is needed for clear bacterial infection. The causes of cough are many, patients should go to the hospital as soon as possible, improve the relevant examination such as sputum culture + drug sensitivity test, chest CT, etc., to clarify the cause of the disease. The above mentioned drugs should be taken under the guidance of professional doctors.