Cough and runny nose in infants can be seen in respiratory infections, allergic rhinitis and other conditions, the treatment needs to be decided according to the cause, such as allergic rhinitis need to stay away from allergens, discretionary use of antihistamines and so on. 1. Respiratory tract infection: (1) acute upper respiratory tract infections: mostly caused by viral infections, clinical symptoms of cough and runny nose, some of which may be accompanied by fever, mostly self-limiting, the course of the disease can be localized to use physiological sea saline for nasal spray, in order to alleviate the discomfort caused by runny nose. (2) Lower respiratory tract infections: such as acute bronchitis, the above phenomenon can occur clinically, the treatment can be oral aminoglutethimide oral solution and other drugs to relieve the cough, the cough is serious need to use budesonide nebulization treatment. Meanwhile, if bacterial infection is suspected, antibacterial drugs, such as cefixime and other anti-infective treatment should be used. 2. Allergic rhinitis: mostly caused by contact with allergens, clinical symptoms such as paroxysmal sneezing and runny nose, accompanied by throat itching and cough. Daily life should pay attention to avoid contact with allergens, can use saline or special nasal rinse solution to clean the nasal cavity, discretionary use of antihistamines, such as cetirizine hydrochloride drops and other treatments. Cough and runny nose in infants can also be caused by other reasons, it is recommended to consult a doctor in order to clarify the cause of the disease, standardized treatment. The above medications should be used under the supervision of a physician.