Lymphoma is not an infectious disease and is not contagious. Lymphoma is a malignant tumor of lymphatic blood system, the main manifestation of which is enlargement of superficial lymph nodes of the whole body, enlargement of liver and spleen lymph nodes, and it can also show systemic symptoms, such as periodic fever, emaciation, night sweating, itching and other manifestations. When lymphoma is combined with infection, fever and fatigue will appear. Lymphoma can only be timely treated or even cured by radiotherapy. Chemotherapy for lymphoma is mainly R-CHOP treatment program, which is CD20 monoclonal antibody Merovate plus CHOP treatment, and there are cyclophosphamide, anthracycline antitumor antibiotics, cytarabine, and dexamethasone for treatment. Nowadays, there are also immunomodulators lenalidomide, cell therapy, and finally treatment by autologous hematopoietic stem cell transplantation.