Incomplete intestinal obstruction is mainly characterized by abdominal pain, abdominal distension and vomiting. 1. Abdominal pain: the nature and characteristics of abdominal pain vary according to the cause of obstruction. Mechanical factors such as hernia incarceration, foreign body or fecal blockage and other causes of obstruction, paroxysmal colicky nature. Severe persistent abdominal pain may suggest a blood flow obstruction in the intestinal wall. Paralytic intestinal obstruction is mainly persistent distension and discomfort. 2. Abdominal distension: Abdominal distension occurs after abdominal pain, and the degree of abdominal distension is related to the site of obstruction. High intestinal obstruction abdominal distension is not obvious, low intestinal obstruction abdominal distension is significant, all over the abdomen. In patients with thin abdominal wall, intestinal distension can be seen, and gastrointestinal type can be seen. 3. Vomiting: the nature of vomiting is different in different parts of the obstruction. In high obstruction, vomiting occurs early and frequently, and the vomit is mainly gastric and duodenal contents. In low obstruction, vomiting occurs late, and stomach contents are vomited at the beginning, and intestinal contents are vomited at the later stage. The pathologic process of incomplete intestinal obstruction can be constantly changing and transforming. In order to avoid exacerbation of the condition and the occurrence of blood transport disorders in the intestinal wall, it is recommended that the patient seek medical attention in a timely manner, take early therapeutic measures under the guidance of a specialist, and follow the doctor’s instructions in order to avoid exacerbation of the condition.