The elderly cold and cough in the food should eat more green vegetables and fresh fruit, which can supplement the rich vitamins, improve the body’s immunity and resistance. Drugs need to be under the guidance of a doctor, combined with the accompanying symptoms, to take different treatment methods to take the appropriate treatment drugs to be able to get well quickly. 1. Food: the elderly cold body resistance is weak, should eat more green vegetables or fresh fruit. Vegetables include cabbage, celery, spinach and so on. Fruits are apples, oranges, pears and so on. These foods are rich in vitamins, which can help replenish nutrients, thus helping the condition to recover. 2. Drugs: If it is a common cold, which is self-limiting, no drugs can be used. In daily life, pay attention to rest, avoid overwork, pay attention to prevent cold and keep warm, usually can be cured. If it is a cold secondary lung infection caused by coughing sputum, according to the results of sputum culture drug sensitivity, the use of antibiotics to carry out treatment. For example, if the cough and sputum are caused by mycoplasma infection, macrolides such as azithromycin should be used for anti-inflammatory treatment. Licorice tablets and dextromethorphan can be used to control cough symptoms. It is recommended that patients with colds and coughs that are not relieved for a long time should consult a doctor for a clear diagnosis and take appropriate treatment under the doctor’s guidance to avoid delays in their condition.