Pyriform fossa cancer is a malignant tumor originated from laryngopharynx, which is the most common type of hypopharyngeal cancer. At present, the etiology and pathogenesis of pyriform fossa cancer are still unclear, and it may be related to the risks of smoking, drinking alcohol and viral infection. In the early stage of Pearly fossa cancer, there are foreign body sensation in the pharynx and dysphagia, and with the progress of the disease, patients will have symptoms such as difficulty in swallowing, pain in swallowing, and blood in sputum, etc. If the tumor invades into the larynx, it will cause the tumor to spread into the larynx. If the tumor invades into the larynx, it will lead to hoarseness and difficulty in breathing. The treatment of pyriform fossa cancer is mainly based on surgery, with radiotherapy and chemotherapy as auxiliary, and the tumor is removed as far as possible during the treatment. Patients who are not suitable for surgery should take radiotherapy and chemotherapy as the main conservative treatment. If you find the above symptoms, you should consult doctor in time so as not to miss the best time for treatment.