Cold and runny nose is mostly caused by upper respiratory tract infection, general treatment, medication, nasal cleaning to improve the symptoms. 1. General treatment: at this time, we should pay attention to keep warm, drink more hot water, eat less spicy, stimulating, cold food. Pay attention to exercise to enhance immunity. 2. Medications: Under the guidance of a doctor, medications such as cold and flu granules, anti-viral oral solution, ribavirin granules, etc. can be used to improve the discomfort caused by colds. 3. Cleaning the nasal cavity: Saline nasal wash can be used to clean the nasal cavity, which can clean the nasal secretions and remove pathogenic bacteria on the surface of the nasal cavity. It can relieve the symptoms of nasal congestion and runny nose. It is recommended that patients consult a doctor to check their condition and actively cooperate with the treatment under the guidance of the doctor, and the above medications should be used in accordance with the doctor’s instructions.