The main reasons for the recurrence of enteritis fever include recurrence of enteritis, inflammatory bowel disease or complication of other infections, etc., which need to be timely medical treatment once found. 1. Recurrence of enteritis is the most common cause of recurrent enteritis fever, because patients with enteritis have not yet recovered, the body’s resistance is still relatively low, if inadvertently re-exposed to the source of infection, it may cause persistent attacks of enteritis and cause recurrent fever. 2. Inflammatory bowel disease can also cause recurrent fever, such as ulcerative colitis, Crohn’s disease, etc., and its symptoms include fever and low-grade fever, mucus, pus and blood stools, abdominal masses, cramping pain in the right lower abdomen or around the umbilicus and other phenomena. 3. Because patients with enteritis have low immunity during the onset of the disease, it is easy to secondary other infectious diseases, such as intrapulmonary infections, urinary tract infections or abdominal infections, which in turn cause recurrent fever symptoms. It is recommended that patients actively seek treatment, do not delay the condition.