Generally, lymph node enlargement is indicated by bumps on the lymph, which may be caused by lymphatic problems or other conditions. Such as lymphatic own problems including lymphadenitis, lymph node tuberculosis, and other conditions including tumors that cause swollen lymph nodes, common situations are as follows: 1. Lymphadenitis: such as lymphadenitis, generally caused by acute and chronic inflammation of the drainage area of lymph nodes after involving lymph nodes caused by non-specific inflammation, can cause swollen lymph nodes throughout the body. For example, upper respiratory tract infections and tonsillitis may cause enlarged lymph nodes in the angle of the jaw; 2. Lymph node tuberculosis: such as lymph node tuberculosis, also known as tuberculous lymphadenitis, often caused by extra-pulmonary Mycobacterium tuberculosis infection, which occurs in almost all lymph nodes. It is commonly found in the lymph nodes of the lung gate and the lymph nodes of the neck, and the common symptom is swollen lymph nodes, and patients visit the clinic because they feel the lumps; 3, tumor: influenced by many factors, cancer cells can be shed into the lymphatic vessels and reach local lymph nodes with lymphatic fluid, forming metastatic carcinoma of lymph nodes, i.e. distant lymph node metastasis. Moreover, the metastatic lymph nodes can fuse into a mass and continue to metastasize and develop, and then the lymph nodes become enlarged.