Lymphoma is a malignant tumor of the human immune system. Lymphoma is clinically divided into two categories: Hodgkin’s lymphoma and non-Hodgkin’s lymphoma. The common symptoms of lymphoma include: a. Enlargement of superficial lymph nodes, especially in patients with Hodgkin’s lymphoma, often in the neck, supraclavicular, axillary, inguinal and other parts of the lymph nodes. Some patients may have symptoms of generalized hypermetabolism, such as fever, emaciation, night sweats and fatigue. Some patients also show itchy skin and painful lymph nodes after drinking alcohol. Some patients also show symptoms of local organ infiltration, such as nausea, vomiting, vomiting blood and blood in stool in the upper abdomen of patients with gastric lymphoma.