Cold and runny nose, mostly caused by viral infections, the disease is self-limiting, generally about 1 week symptoms can gradually reduce to disappear, the disease from occurrence to cure has its natural process, and the fastest treatment, active treatment is aimed at alleviating the symptoms. Colds are commonly known as upper respiratory tract infections, and a runny nose is a common symptom of colds, which is associated with increased nasal mucosal secretions due to viral or bacterial invasion of the nasal cavity. There is no fastest way to treat a runny nose caused by a cold, and symptomatic treatment is the mainstay. If the cold is caused by a viral infection, drugs such as ribavirin and oseltamivir can be given, which can effectively inhibit the virus and shorten the duration of the disease. If the cold and runny nose caused by bacterial infection, anti-infective drugs such as cefuroxime, levofloxacin and amoxicillin can be given to fight infection. Doctors often give medications such as phenmetrazine and compound pseudoephedrine for symptomatic relief. If you have a runny nose due to a cold, you should rest and drink plenty of fluids, and if the symptoms are severe, you should follow the doctor’s instructions for medication.