Axillary lymphoma is a tumor formed by malignant proliferation of lymphocytes in the lymphatic tissue of the axilla. The obvious symptoms of axillary lymphoma are painless swelling of lymph nodes, itchy skin, and systemic symptoms such as fever, sweating and weight loss. 1. Painless swelling of lymph nodes: axillary lymphoma will have painless swelling of axillary lymph nodes, and the swollen lymph nodes can fuse together and feel like cartilage when touched; 2. Itchy skin: at first, itchiness appears in the area of lymphatic drainage of the lesion. Itchy skin: at first, itchy skin appears in the area of lymphatic drainage, and then erythema, blister and erosion may appear on the lesion; 3. Systemic symptoms: some patients also have systemic symptoms such as fever, sweating and weight loss, sometimes with persistent fever and sometimes with intermittent fever. If lymphoma spreads to the lung, symptoms such as irritating dry cough, mucous sputum and chest pain will appear; if the pleura is involved, pleural effusion will appear; if the gastrointestinal tract is involved, indigestion and stomach discomfort will appear, and in severe cases, vomiting blood and black stool may appear. For patients who suspect that they are suffering from axillary lymphoma or have the above symptoms, it is recommended to go to hospital for specific diagnosis through imaging examination, laboratory examination and pathological examination, so as to clarify the cause of the disease in time and carry out targeted treatment.