There are more reasons for the elderly to have a dry cough without sputum. 1. The occurrence of inflammation of the throat can lead to an irritating dry cough that is devoid of sputum, and the effect of anti-inflammatory treatment is often better. The elderly tend to have pain in the throat, dry itch, hoarseness, and can be treated with oral licorice Bingmei tablets and Pudilan anti-inflammatory oral solution. 2, the occurrence of bronchitis or pneumonia, if it is caused by mycoplasma infection, it is likely that the phenomenon of dry cough without sputum, in the early stage of infection, also prone to dry cough without sputum, all need to use anti-inflammatory drugs for anti-inflammatory treatment, need to be based on the type of infection 3. Cough variant asthma may occur due to spasm of bronchial smooth muscle, which leads to bronchial constriction causing coughing, often with dry cough without sputum, and requires treatment with bronchodilators and glucocorticoids.