Throat ulcers are alert to trauma, bacterial infection, tumors and other diseases. 1. trauma: this situation is mostly seen in the fishbone stuck in the throat, part of the population in the emergence of the relevant situation after forced swallowing, which will cause damage to the mucous membrane of the throat, the fishbone will be removed after the formation of the corresponding position of the ulcer. 2. Bacterial infection: this situation is more common, part of the population suffers from pharyngolaryngitis is mainly due to bacteria and other pathogens on the mucous membrane of the throat invasion, if the condition is more serious, the mucous membrane of the relevant parts of the damage may also appear ulcers. 3. Tumor: the common clinical diseases include tonsil cancer, laryngeal cancer, etc. People suffering from the above diseases may have ulcers, pain and hoarseness in the relevant parts. There are other possibilities for throat ulcers, and it is suggested that patients should go to the hospital to get a clear diagnosis, so as to carry out targeted treatment.