It cannot be simply said that lymph nodes are painful or not painful. Pain is generally inflammatory infection, no pain, no swelling and adhesions, soft texture, which means that they are normal lymph nodes, and this condition is not painful and good. When the lymph nodes are enlarged, there is pain, but the boundary is clear and can be moved, this situation belongs to the infection, if the boundary is unclear, can not be moved, no pain, this situation of enlarged lymph nodes may be a tumor disease, relative to the inflammation is a more serious disease. Ultrasound or pathological examination can be done.