Indications and Contraindications Indications: 1. Patients with tumors of all stages (priority: all types of lung cancer, colorectal cancer, malignant B lymphoma, kidney cancer, malignant melanoma), recommended for patients with tumors: stomach cancer, liver cancer, head and neck tumors, esophageal cancer, pancreatic cancer, bladder cancer, breast cancer, ovarian cancer, cervical cancer, prostate cancer, acute and chronic leukemia, brain glioma. 2. The less the tumor load in the body, the better, surgery and radiotherapy can be given first to reduce the tumor. 3. After radical surgery, reconstruction of anti-tumor immune function. Contraindications 1. patients with lymphoepithelial carcinoma 2. patients with T-cell lymphoma; 3. patients with severe allergy; 4. patients with autoimmune disease 5. Patients undergoing radiotherapy Use with caution: 6. Patients undergoing immunosuppression or organ transplantation; 7. Severe leukocytopenia or bone marrow suppression; 8. Severe liver and kidney abnormalities; 9. Patients with severe infection or hyperthermia; 10. Patients with severe cardiovascular disease and diabetes; 11. Patients with intractable or persistent epilepsy; 12. RH-negative patients; 13. Pregnant and lactating women; 14. Patients with advanced tumors and multiple organ failure; 15. Patients with fever and those who have just undergone radiotherapy should not undergo DC-CIK cell therapy.