For the treatment of malignant tumors, comprehensive treatment is generally needed, and radiotherapy and chemotherapy are more commonly used. Radiotherapy is a kind of local treatment, using radiation therapy, which can shrink the mass or prevent local recurrence after surgery, and the cost is usually higher, maybe 30,000-50,000 RMB. It also depends on the type of radiotherapy and the number of times of radiotherapy. Chemotherapy refers to chemotherapy, mainly intravenous chemotherapy by infusion, which plays a systemic role to prevent cancer cells from metastasizing to distant places and also to prevent local recurrence, and chemotherapy may produce heavy gastrointestinal reactions. Chemotherapy is divided into post-operative adjuvant chemotherapy, palliative chemotherapy for advanced tumors, etc. It may be 6 courses of treatment in general, or more, and the cost of each course may require 6000-8000 RMB depending on the drugs used.