Incomplete obstruction of the small intestine is complex and has many causes, most of which are not serious due to stenosis of the small intestine, but it is more serious if it is caused by Crohn’s disease, tumor, and other causes of incomplete obstruction of the small intestine. Small bowel stenosis is a common cause of obstruction, can be caused by intestinal lesions, can also be caused by intestinal compression, adhesion, when intestinal contents can not pass through the intestinal lumen, abdominal pain, vomiting, abdominal distension, and the anus to stop defecation, defecation, and other signs of obstruction. Incomplete obstruction of the small intestine is not serious at this time. Incomplete obstruction of the small intestine may also be the first symptom of Crohn’s disease or caused by a tumor, in which case the obstruction of the small intestine caused by the primary disease is more serious and may endanger the patient’s life. If incomplete obstruction of the small intestine occurs, it is necessary to go to the hospital in time to find out the cause of the disease, and under the guidance of the doctor to carry out the treatment, do not delay, so as not to cause the development of the course of the disease.