A month of recurring pain in the throat is considered to be caused by chronic tonsillitis, chronic pharyngitis and chronic laryngitis. 1. Chronic tonsillitis: patients due to acute tonsillitis treatment is not complete repeated episodes into chronic disease. When tired, cold, poor sleep, cold or alcohol and tobacco stimulation, can often cause the emergence of the disease, so that the patient has a sore throat, pharyngeal blockage, bad breath and other manifestations, so the voice can be seen for a month of recurring pain. 2. Chronic pharyngitis: If acute pharyngitis due to tobacco and alcohol stimulation, temperature and humidity changes, pharyngeal reflux or harmful gas stimulation and other factors for a long period of time, it can be turned into a chronic disease. The mucous membrane of the throat is in chronic congestion, patients may have sore throat, itchy throat, burning sensation in the throat and other manifestations, can be a long-term recurrence, so the voice can be seen for a month back and forth pain. 3. Chronic laryngitis: patients can be due to repeated episodes of acute laryngitis, neighboring organs infected with waves, improper use of voice and other reasons leading to the emergence of chronic laryngitis. Hoarseness is the main symptom, and clinically there is also an increase in laryngeal secretion, laryngeal pain, laryngeal foreign body sensation and other manifestations. Because it is a chronic disease, often recurring, so it can be seen that the voice a month back and forth pain. If you have a recurring pain in the throat, it is recommended to consult a hospital as soon as possible for relevant examinations, such as blood tests, laryngoscopy, etc., and standardized treatment after diagnosis and clarification.