1, Hodgkin’s disease treatment principles (1) ⅠA, ⅡA stage: radiation therapy is the main treatment, if there is a large mediastinal mass, chemotherapy and radiation therapy should be used in combination; pathology for lymphocyte decompensation type, the application of whole lymph node radiation. (2) Stage IIB: whole lymph node radiation is generally used, and combined chemotherapy alone may also be used. (3)Ⅲ1A: Radiation therapy alone. (4)Stage III2A: Combined radiation and chemotherapy. (5) Stage IIIB: chemotherapy alone or chemotherapy plus radiotherapy. (6) Stage IV: chemotherapy alone 2. Treatment principles of non-Hodgkin’s lymphoma (1) Low-grade malignancy: ①Stage I and II: Mostly radiotherapy is used, and the application of chemotherapy after radiotherapy cannot solve the problem of recurrence even after several years. ②Stage III and IV: Most of them use chemotherapy. (2) Moderate malignancy: Stage I patients can be treated with radiotherapy alone. Stage II and above are treated with chemotherapy regimen based on adriamycin. (3) Highly malignant: lymphoblastic lymphoma with leukemia-like treatment regimen. 3. The indications for surgery as a treatment for malignant lymphoma are very limited and the cure rate is also low, and often needs to be supplemented with radiotherapy or chemotherapy.