Most patients with terminal ileitis can be completely well after active treatment. Terminal ileitis is mainly caused by bacteria, viruses, fungi, Mycobacterium tuberculosis and other causes of a variety of infectious enteritis, may also be caused by abnormalities in the body’s immune mechanism, bacterial erosion of the ileum, resulting in patients with gastrointestinal function appears to decline, intestinal peristalsis is slow, which in turn causes the intestinal mucosa appears to be congested, edema, glandular secretion increases and other phenomena. Patients need to pay attention to improve hygiene, develop good eating habits, maintain a regular diet, promote intestinal balance, but also under the guidance of the doctor, through the medication, commonly used drugs such as acetaminophen, montelukast, azathioprine, methotrexate, etc. If the condition is too serious, the need to go through the surgery, resection of diseased intestinal breaks, to achieve therapeutic effects. If the patient is not feeling well, it is recommended to go to the regular hospital in time, under the doctor’s diagnosis, according to the patient’s specific condition, to take targeted treatment. The above drugs need to be used under the guidance of a doctor.