Cough symptoms are commonly seen in patients with asthma for the following reasons: 1. The most common cause is a combination of infection, accompanied by a large amount of coughing and increased dyspnea, which can only be relieved by the use of anti-infective medications along with continued use of medications for asthma. If the cough is not caused by infection, the cough appears during an asthma attack as a marked increase in the number of coughs at night or early in the morning and is not obvious during the day; 2. The cough appears after exposure to specific pathogenic microorganisms or allergic substances and is caused by an asthma attack. The use of medication for asthma or increasing the dose of asthma medication used to achieve cough control; 3. Allergic rhinitis and postnasal drip syndrome can also cause cough in asthma patients, and allergic rhinitis must be cured to control cough; 4. Asthma cough combined with stomach symptoms, such as acid reflux and heartburn, gastroesophageal reflux disease has symptoms of acid reflux and heartburn due to gastroesophageal reflux substances stimulating the upper respiratory tract appear Asthma, the cause of asthma is related to gastroesophageal reflux and must be treated along with asthma to control stomach disorders.