L Lymphadenitis means that a virus has poured into your body, and the lymph nodes under your chin are the places where your body's immune cells fight the virus, so there will be swelling when lymph is inflamed. Many times, lymph inflammation means that our immunity has decreased, so we should pay attention to it. Taking anti-inflammatory drugs is equivalent to asking foreign aid for help, which can only help the body temporarily, but many anti-inflammatory drugs can't be used for a long time. Vitamin C (natural) can be used, 1000 mg each time, which can play a role in clearing heat, diminishing inflammation and detoxifying. Three times a day. Just three or four days. In addition, pay attention to the diet, and take more foods rich in protein and vitamins to enhance immunity.