Sore throat for half a month, all kinds of anti-inflammatory drugs do not work, may be sore throat is not caused by bacterial infection, so take anti-inflammatory drugs are ineffective. In addition to bacterial infection, sore throat may also be caused by reflux laryngitis, laryngeal tuberculosis, laryngeal tumors and so on. 1. Reflux laryngitis: stomach contents reflux to the throat, stimulate the mucous membrane of the throat, resulting in a foreign body sensation in the throat, pain and discomfort. Treatment requires the application of acid-suppressing and gastrointestinal dynamics drugs. 2. Laryngeal tuberculosis: Tuberculosis bacillus infection of the larynx will cause laryngeal tuberculosis, which will lead to sore throat, and the main anti-tuberculosis treatment is to relieve the pain. 3. Laryngeal tumor: when suffering from laryngeal tumor, it will lead to sore throat, which is usually treated by surgery, and the treatment methods of different tumors are different. Different tumors have different treatment methods. It is suggested that patients with sore throat should go to the hospital in time for consultation and standardized treatment after the cause of the disease is clarified.