Elderly people with colds are usually caused by viral infections and are treated with symptomatic cough suppressants and lifestyle modifications. Coughing in the elderly after a cold is considered to be caused by viral infections. Usually, no targeted antiviral treatment is taken, and symptomatic treatment is the main principle of treatment, usually using dextromethorphan and other cough suppressants as the main means of treatment, and in most cases, the symptoms can be completely controlled. Colds are self-limiting and can be cured by combining with lifestyle modifications. Including drinking more water, pay attention to rest, etc., to relieve the pain and discomfort in the throat caused by coughing, and more rest to improve their own immunity, can achieve self-cure. If the relief is not obvious, we can not exclude the possibility of other diseases, it is recommended to consult a doctor for examination and clarification.