Dry cough at night may be caused by bronchial asthma, gastroesophageal reflux disease (GERD), cardiac insufficiency, and involves treatments such as medications such as glucocorticosteroids and surgery. 1. Bronchial asthma: It is a disease characterized by chronic airway inflammation, and the main clinical symptoms include repeated intermittent wheezing and shortness of breath, expiratory dyspnea, etc., which often occur at night. The main treatments include inhaled glucocorticosteroids such as budesonide, β2 agonists such as salbutamol, and anticholinergics such as ipratropium bromide. 2. Gastroesophageal Reflux Disease (GERD): During nighttime sleep, the stomach contents will flow back into the esophagus, resulting in a series of symptoms. The main clinical symptoms are heartburn and reflux. Drug treatment includes proton pump inhibitors such as omeprazole, histamine H2 receptor antagonists such as ranitidine, etc. If the condition is serious, laparoscopic fundoplication can be used. 3. Cardiac insufficiency: cardiac insufficiency refers to heart dysfunction caused by various reasons, and the decline in cardiac contractile function of the patient is easy to cause pulmonary stagnation, thus leading to the symptoms of dry cough at night. Medications include spironolactone, bisoprolol, digoxin, etc. Surgery such as heart transplantation can be used if the condition is serious. The choice of medication should be made under the supervision of a doctor. Dry cough at night may also have other causes, such as tuberculosis, lung tumors, left heart failure and other diseases, it is recommended to go to the hospital in time to find out the cause of cough, and give standardized treatment.