Lymphoma is a malignant tumor originating from the lymphopoietic system. It mainly manifests as painless lymph node enlargement, hepatosplenomegaly, and all tissues and organs of the body can be involved, accompanied by systemic symptoms such as fever, night sweats, emaciation, and pruritus. The tumor cells are divided into two categories: non-Hodgkin’s lymphoma (NHL) and Hodgkin’s lymphoma (HL). The pathological features of Hodgkin’s lymphoma are lymphocytes, eosinophils, plasma cells and specific Reed-Steinberg cells in the tumor tissue, and HL is divided into nodular lymphocyte-rich type and classic type, which includes lymphocyte-dominant type, nodular sclerosis type, mixed cell type and lymphocyte-ablative type, It is the sum of a group of independent diseases with a strong heterogeneity, mainly lymphocytes, histiocytes or reticulocytes with different degrees of differentiation. According to the natural course of NHL, it can be classified into three major clinical types, namely highly aggressive, aggressive and inert lymphomas. According to the different lymphocyte origins, they can be classified into B-cell, T-cell and NK-cell lymphomas. Its early symptoms include: 1. Unexplained fever with a temperature between 38-40 degrees, which can last for several days and then gradually decrease from week to week. It sometimes gets better after treatment, but often recurs. 2. Progressive lymph node enlargement without clear cause, initially painless and not itchy, shaped like soybean to date size. Early on, they usually appear in the neck, followed by the armpits, and also in the mediastinum and mesentery, which can only be observed by X-ray. 3. Itching, night sweating, and emaciation of the whole body.