Baby runny nose can be seen in the respiratory tract infection, variant rhinitis, whether it will be cured according to the cause of the baby to analyze the judgment, such as acute upper respiratory tract infection is mostly self-limiting, generally can be cured. 1. Respiratory tract infections: such as acute upper respiratory tract infections, clinical nasal congestion, runny nose and other local symptoms, most of the disease is considered self-limiting, the above symptoms can be improved within 3 to 4 days, within 2 weeks can be cured. 2. Variable rhinitis: Clinical symptoms such as runny nose, sneezing lasting more than 2 weeks or recurrent fever, but systemic symptoms are mild, such as fever, muscle aches and pains, etc. Eosinophilia can be seen in the routine blood test. The disease generally will not be self-cured, need to avoid allergens, oral loratadine and other anti-allergy, local use of mometasone furoate nasal spray and other medications under the guidance of a physician. Baby runny nose is recommended to consult a specialist physician to assess the judgment, follow the doctor’s instructions for targeted treatment.