Dry throat is not necessarily caused by the novel coronavirus. Dry throat can also be caused by dehydration, chronic pharyngitis and reflux esophagitis. When dry throat occurs, a novel coronavirus nucleic acid test should be performed as soon as possible. A negative result will confirm that the patient is not infected and rule out novel coronavirus pneumonia as a cause of dry throat. 1. Lack of water: If you don’t replenish water in time in the hot summer, it is easy to cause dry throat. Because summer sweating more, not timely replenishment of water, resulting in excessive water loss easily caused by the phenomenon of dry throat. 2. Chronic pharyngitis: some patients suffering from chronic pharyngitis will have a dry throat, foreign body sensation and tingling, etc. Patients will cough to temporarily relieve the discomfort of the throat, and need to pay attention to coughing with or without obvious secretions. 3. Reflux esophagitis: food reflux to the throat, the mucous membrane in the throat area caused by irritation, will also appear dry throat. When patients have dry throat, it is recommended that they go to the Department of Infectious Diseases of regular hospitals for examination and treatment. [Tips] This article refers to the “new coronary pneumonia, new coronary virus pneumonia”, etc., has been December 26, 2022, the National Health Commission issued a notice to change the name to the “new coronary virus infection”.