Chronic pharyngitis is not cured for a long time generally will not occur cancer, but need to be in the doctor’s guidance to help treatment, to avoid the occurrence of other bad situations. Chronic pharyngitis is usually caused by bad living habits, low body resistance, repeated viral and bacterial infections, etc. Acute pharyngitis will turn into chronic pharyngitis after repeated episodes. It can be treated with medicines such as Pudilan Anti-inflammatory Oral Liquid and Compound Chlorhexidine Gargle under doctor’s instruction. Cancer of the throat is usually caused by long-term physical and chemical irritants, as well as carcinogenic organisms. Symptoms of chronic pharyngolaryngitis are similar to early symptoms of laryngeal cancer, such as foreign body sensation and burning sensation in the pharynx, but there is no relationship between the two. The main treatments for laryngeal cancer include endoscopic minimally invasive surgery and partial laryngectomy. Depending on the condition, doctors will add radiotherapy and chemotherapy etc. after surgery to cooperate with the treatment. The treatment of chronic laryngitis is generally to find out the cause of the disease and then treat the cause of the disease. It is necessary to actively cooperate with the doctor, follow the doctor’s instructions and do not blindly use medication. Pay attention to light diet, avoid eating cold, greasy, indigestible food.