Colds with runny nose can be improved by drinking plenty of fluids, taking rest, and using chlorpheniramine maleate and cotrimoxazole to improve the symptoms of runny nose. Although colds are caused by viral infections, antiviral treatment is not usually given. Colds are self-limiting diseases and can be recovered through autoimmunity against the virus. Therefore, you can drink more water to speed up the metabolism, and pay attention to rest to promote the recovery of immunity. If the flu is caused by the influenza virus, oseltamivir should be used for antiviral treatment. The symptom of runny nose is usually due to the virus affecting the nasal mucosa, causing inflammatory changes in the nasal mucosa and a marked increase in secretion, and drugs such as chlorpheniramine maleate and cotrimoxazole can be used to improve the symptoms. However, the use of drugs need to be in accordance with the doctor’s instructions, not to use prescription drugs, it is recommended to seek medical treatment.