For throat cancer, the precursor is throat discomfort, foreign body sensation in the throat, etc. As the disease progresses, it may show coughing, blood in sputum, and some will have difficulty breathing, so when uncomfortable symptoms occur, you must go to the hospital for further detailed examination. For example, laryngoscopy, histopathological examination, CT examination, etc., according to the results of the examination, seek professional doctors for corresponding treatment. Its treatment includes surgery, radiotherapy, chemotherapy, immunotherapy and so on. During the treatment period, patients must actively cooperate with the doctor, strictly abide by the doctor's advice, how to prevent throat cancer, first stop smoking and drinking, and then be alert to precancerous lesions, such as red and white spots.