Frequent inflammation of lymph nodes may be caused by low immunity and other infections around the lymph nodes. 1. Inflammation of lymph nodes is relatively common in clinical practice. When the body’s immunity is relatively low, it is easily infected by viruses and bacteria, which may cause inflammation of lymph nodes, which is common in the elderly and infants whose immunity has not yet been fully developed, and it may also occur in some immunosuppressed people. 2. Another situation is that there are other foci of infection around the lymph nodes, and the repeated stimulation and spread of the foci of infection may cause inflammation of the lymph nodes. For example, recurrent inflammation of submandibular lymph nodes may be caused by chronic pharyngitis, radiculitis and other diseases. If you have frequent inflammation of lymph nodes, you can go to the hospital in time to get a clear cause of the disease and then carry out targeted treatment.