There are many causes of cough, need to be treated according to the cause, the common cause may be infection, allergy, gastroesophageal reflux, etc., generally targeted oral antibiotic drugs, anti-allergy drugs, acid suppression drugs, gastric stimulation drugs and other treatments, but also can be combined with nebulizer inhalation therapy. 1. Infections: such as colds, bronchitis, pneumonia, etc., for viral infections caused by no specific antiviral drugs, but to drink more water, more rest. If it is caused by bacterial infection or mycoplasma infection, you need to take antibiotic drugs, such as amoxicillin, cefprozil, roxithromycin, etc., but pay attention to whether it is allergic to the drug to avoid adverse reactions. 2. Allergy: mainly caused by contact with allergens, can take oral cetirizine, loratadine, etc. for anti-allergy treatment to relieve cough symptoms. 3. Gastroesophageal reflux: the refluxed gastric contents cause irritation to the esophagus area, which can easily lead to coughing. Oral acid-suppressing drugs and gastric power-promoting drugs can be taken, such as omeprazole, rabeprazole, moxapride, domperidone and so on. When the cough is more pronounced, glucocorticoid drugs such as budesonide can be used for nebulized inhalation treatment, which can alleviate the cough symptoms. There are other causes of cough, such as cough variant asthma, postnasal drip syndrome, tracheal foreign body, etc., so it is recommended to go to the hospital in time, after clarifying the cause of the disease and follow the doctor’s instructions to use medication, do not self-administer arbitrary medication.