Coughing in the elderly may be caused by cold air stimulation, infection, lung cancer, tuberculosis, etc. It needs to be dealt with according to the cause of the disease, including paying attention to keeping warm, anti-infection, surgery or anti-tuberculosis treatment. 1. Stimulation by cold air: When the seasons change, it will cause coughing due to the change of temperature and humidity, at this time, it is necessary to pay attention to keep warm and prevent infection. 2. Infection: Due to the reduced immunity of the elderly, after being attacked by viruses or bacteria, it will lead to respiratory tract infection and cause coughing symptoms, which need to be clearly diagnosed and treated under the guidance of doctors, applying appropriate antibiotics, such as penicillin, amoxicillin, and so on. 3. Lung cancer: for lung space-occupying lesions, timely surgical resection is needed, supplemented with radiotherapy and chemotherapy for treatment. 4. Tuberculosis: Tuberculosis is often characterized by low afternoon fever, night sweats, cough and hemoptysis. If there is Mycobacterium tuberculosis infection, you can choose to use isoniazid, rifampicin, pyrazinamide, ethambutol and other drugs under the guidance of the doctor for treatment. There are other causes of coughing in the elderly, and it is recommended to consult a doctor in time to receive standardized treatment.