A little pain in the lymph nodes is usually due to lymphadenitis. Lymph nodes are immune organs, and if inflammation occurs in the tissues around the lymph nodes, the inflammation may spread to the lymph nodes, which will lead to lymphadenitis, and once lymphadenitis occurs, the lymph nodes will be enlarged and there will be pain and pressure pain in the lymph nodes. Patients need to go to the hospital and need to improve relevant examinations, such as blood routine, ultrasound, etc. Combined with clinical symptoms and physical examination, they can usually make a clear diagnosis. After the diagnosis of lymph nodes is confirmed, anti-inflammatory treatment is needed, either oral antibiotics or intravenous antibiotics, depending on the severity of the condition. During the anti-inflammatory treatment, patients must pay attention to their diet, do not eat spicy and stimulating food, and must not drink alcohol.