The baby does not cough during the day and cough at night, may be upper respiratory tract infection, pediatric bronchitis, allergic cough, upper respiratory tract cough syndrome, etc., mainly for the treatment of the original disease, auxiliary nasal drops to relieve symptoms. 1. Upper respiratory tract infection: if not combined with fever, you can take cough medicine, such as pediatric cough syrup. If the cough is serious, accompanied by fever, cough yellow sputum, etc., but also to take sensitive antibacterial drugs, such as cefaclor or azithromycin granules. 2. Bronchitis: If bronchitis causes no cough during the day and cough at night, inhalation acetylcysteine solution can be applied to treat. 3. Allergic cough: If allergic factors cause the baby to cough during the day and at night, you can use saline to rinse the baby’s nasal cavity, but avoid excessive cleaning. At the same time, according to the doctor’s instructions to take anti-allergy drugs, such as loratadine tablets, cetirizine hydrochloride drops, etc., if necessary, desensitization treatment. 4. Upper respiratory cough syndrome: common in rhinitis, sinusitis, nasal polyps and other chronic nasal diseases, mainly for the treatment of the original disease. For the baby daytime not coughing at night coughing symptoms, it is recommended to first go to the regular hospital pediatric examination, after a clear diagnosis, and then standardized treatment. The above drugs should be applied in accordance with medical advice.