Common symptoms of intestinal obstruction include abdominal pain, bloating, and cessation of passing gas and stools. If it is a high-level intestinal obstruction, there may also be feelings of nausea and vomiting, thus abdominal pain is a symptom of intestinal obstruction. Different causes of intestinal obstruction require different treatment methods. The first choice of treatment for intestinal obstruction is conservative. If it is acute intestinal obstruction such as strangulation or conservative treatment is ineffective, or the obstruction is caused by a tumor, surgical treatment is recommended. During intestinal obstruction, there are typically several symptomatic signs such as abdominal pain, bloating, and cessation of passing gas and stools. Moreover, an abdominal upright plain film examination can show dilated bowel loops and fluid levels.