At present, there are several methods to treat lymphoma: 1) chemotherapy; 2) radiation therapy; 3) bone marrow transplantation; 4) biological immunotherapy, etc. Lymphoma is mainly diagnosed by pathology, so once you suspect that you have lymphoma, you should have a lymph node biopsy as soon as possible. After the biopsy, a doctor experienced in lymphoma pathology should be consulted to clarify the subtype, because the subtype is closely related to the prognosis. After the diagnosis is confirmed, PET-CT examination can be performed to clarify the disease stage. Based on the stage and classification of the disease, a treatment plan can be developed. If the bone marrow is invaded, allogeneic bone marrow transplantation must be performed, as it is very easy to relapse after autologous transplantation.