The lymphatic system consists of lymphatic tissues, lymphatic vessels and lymphatic fluid. Among them, lymphatic tissue contains a large number of lymphocytes. As the guardian of human health, lymphocytes maintain the clean and orderly internal environment of the organism. Externally, lymphocytes can defend against foreign invading bacteria and viruses; internally, they can clean up necrotic and aging cells. When external bacteria enter the body, inflammation can occur in the organism, and the first clinical manifestation is swollen lymph nodes, such as inflammation of the throat. The first clinical manifestation is swollen lymph nodes, such as inflammation of the throat. At this point, the patient needs to relieve the symptoms through anti-inflammatory treatment.