Treatment of malignant tumors chemotherapy plus immunotherapy is effective, can consolidate the efficacy after surgery, improve the quality of life, reduce the side effects of chemotherapy. Chemotherapy and immunotherapy are effective measures for treating malignant tumors. Chemotherapy and immunotherapy can be carried out after surgery in order to prevent tumor recurrence and reduce the chance of cancer cell metastasis, which can prolong the survival time of patients. Chemotherapy plus immunotherapy can improve the quality of life of patients, prolong the survival cycle of patients, and has a better prognosis for early stage tumors. Patients should take chemotherapy and immunotherapy under the guidance of physician’s consultation, patients should not take medication by themselves, and if there is any discomfort during the treatment, they should reflect to the attending physician in time.