Ileal lymphoid follicular hyperplasia is mainly considered to be a chronic inflammatory condition, so it can be treated with oral mesalazine. The human ileum itself has lymphatic follicles, which are not obvious in the absence of disease. If there is acute or chronic inflammation in the ileum, it will lead to hyperplasia of lymphatic follicles in certain areas, so the treatment plan is also in accordance with the ileal inflammation to treat, oral mesalazine enteric tablets or probiotics for regulation. When the inflammation is eliminated, the hyperplasia of the ileal lymphoid follicles will also improve. Usually pay more attention to a clean diet and do not eat cold foods such as ice cream and cold drinks for a long time to avoid aggravating the symptoms of gastrointestinal inflammation. During the treatment period, try to eat a light diet with well-digested food and drink more hot water.