Parents can adopt the following methods to deal with the situation of runny nose in newborns: 1. Press and rub the nasal cavity around the child, most of the runny nose in children is due to cold, or neonatal rhinitis, etc. Press and rub the Yingxiang points or nasal passages around the nose with fingers, and the situation of runny nose will be improved effectively; 2. Apply physiological sea salt water to the child to clean the nasal cavity, because the concentration and osmotic pressure of physiological sea salt water are the same as the normal osmotic pressure inside the human nasal cavity. The concentration and osmotic pressure of physiological sea salt water are the same as the normal osmotic pressure inside the human nasal cavity, so the irritation to the nasal cavity of newborns is very small; parents can use physiological sea salt water to clean the nasal cavity of their children, which can effectively reduce the symptoms of runny nose and inhibit the edema of nasal mucosa, which can play a very good therapeutic effect on the symptoms of runny nose of children.