There is no trick to a strong dry cough at night that prevents you from sleeping, and there is no cure for the disease. Dry cough at night may be due to dry air, bronchitis, pneumonia, chronic pharyngitis and other causes, can be improved by increasing the humidity of the air in the bedroom, the use of drugs and other ways. 1. Increase the humidity of the air in the bedroom: A dry cough at night may be caused by dry air, you can apply a humidifier to increase the humidity of the air in the bedroom. During the day, you should adjust your diet, not to eat spicy, stimulating food, you can eat more food containing more moisture, such as millet porridge, watermelon, etc.. 2. Use of medicines: (1) bronchitis, pneumonia: mainly due to the bronchial mucosa, lungs are stimulated by pathogens, resulting in patients will appear in the night dry cough strong, unable to sleep and so on, and will be accompanied by coughing sputum, asthma and other symptoms. For patients with severe dry cough, they can be treated with drugs such as dextromethorphan hydrobromide tablets and compound licorice tablets under the guidance of a doctor. Patients with clear bacterial infection can be treated with amoxicillin, cefuroxime, etc. Patients with mycoplasma infection can be treated with azithromycin and levofloxacin. (2) chronic pharyngitis: mainly due to the inflammation of the mucous membrane in the throat, patients will have a dry cough at night and can not sleep, but also accompanied by symptoms of foreign body sensation in the throat, this time you can use the golden throat tablets, silver granules and other drugs. Dry cough at night can also be seen in other diseases, it is recommended to go to a specialized hospital to identify the cause of the disease, under the guidance of the doctor. The above medications should be used under the supervision of a physician.