A person may vomit up feces. Vomiting up feces, also known as vomiting up feces, is common in patients with low-level intestinal obstruction. In low intestinal obstruction, due to the obstacle of passing intestinal contents, feces are not smoothly discharged from the anus, and at this time, feces in the intestinal tract continue to accumulate can produce a large amount of gas, with the accumulation of feces and gas, the intestinal pressure gradually rises; at this time, the organism in order to alleviate the situation of elevated intestinal pressure will cause vomiting, and the vomitus can be brought with feces. Therefore, it is possible for a person to vomit feces. In addition to vomiting feces, patients with intestinal obstruction may also experience abdominal pain, abdominal distension, and cessation of defecation and elimination of gas. It is recommended to go to the hospital when the symptom of vomiting out feces occurs, and ask the doctor to make a judgment and give a treatment plan.