There are common colds and influenza, and by cold we generally mean the common cold. There is no such thing as a cold, cough and runny nose. The common cold is caused by viral infections, and the treatment is mainly symptomatic, while quitting smoking, pay attention to rest, drink more water, keep indoor air circulation and prevention of secondary bacterial infections. 1. Symptomatic treatment: For those with acute cough or severe cough, cough suppressants such as dextromethorphan can be used as prescribed by the doctor. 2. Antibiotic treatment: Antibiotics are not necessary for common cold. If there is a bacterial infection, antibiotics can be used according to local epidemiologic history and experience. 3. Antiviral medication: For patients with immunodeficiency, it can be used routinely at an early stage. Influenza virus can use oseltamivir and so on. If the symptoms of influenza have not been cured for a long time or the symptoms are aggravated, it is recommended to go to the hospital in time, to clarify the cause of the disease, and under the guidance of the doctor to carry out the treatment.