Adult dry cough without sputum may be due to environmental discomfort, chronic pharyngitis, bronchitis, cough variant asthma and other factors, the general treatment methods are dietary regimen, medication, surgery, etc., according to the cause of the symptomatic treatment of the efficacy of the better. 1. Environmental discomfort: due to the stimulation of pungent odors or foreign objects into the throat can easily cause the symptoms of dry cough, you can drink more water and other methods to relieve the symptoms of dry cough. 2. Chronic pharyngitis: chronic pharyngitis is mainly caused by inflammation of the mucous membrane of the throat, manifested as a dry cough, itchy throat, etc., you can use mint throat tablets and other lubricating tablets to relieve the discomfort of the throat, if the symptoms are more serious, you can use surgical methods to eliminate lymphatic follicles, to alleviate the symptoms of dry cough. 3. Bronchitis: bronchitis manifested as irritating cough, throat itching, etc., some patients without sputum coughed up, if the bacterial infection caused by the use of amoxicillin, azithromycin under the guidance of the doctor anti-infective treatment, dry cough to give dextromethorphan, Pentoxifylline and other cough suppressant drugs to relieve the symptoms of cough. 4. Cough variant asthma: Cough variant asthma is commonly characterized by a persistent dry cough, which can be controlled with drugs such as salmeterol ticarcoson under the guidance of a doctor to relieve the dry cough. Dry cough without sputum can also be seen in other diseases, such as mycoplasma infection, lung tumors and other diseases, it is recommended to go to the hospital, according to the condition of the use of targeted treatment to alleviate the disease.