The most serious consequence of intestinal necrosis is cancer, and patients will have symptoms such as diarrhea and constipation. Intestinal necrosis may be caused by intestinal obstruction, mesenteric artery embolism and other diseases, and patients should take medication and surgery in time. The most serious consequence of intestinal necrosis is that it will become cancerous and form intestinal cancer. Patients with intestinal cancer will have symptoms such as diarrhea, constipation and bloody stools. Bowel necrosis may be caused by bowel diseases such as intestinal obstruction and mesenteric artery embolism. If intestinal necrosis is caused by intestinal obstruction, patients can firstly take medication, and patients can follow the doctor’s instruction to use sodium chloride injection, potassium chloride injection and other medicines to correct water and electrolyte disorders, and at the same time, anti-inflammatory and symptomatic treatment. In severe cases, surgical treatment is needed, and the main surgical methods are adhesion release surgery, intestinal resection anastomosis, intestinal short-circuit anastomosis and other surgical methods. Intestinal necrosis can also be caused by mesenteric artery embolization, patients can follow the doctor’s instructions to use atropine sulfate tablets, diazepam tablets and other antispasmodic analgesics. Patients may also undergo surgical procedures such as embolization and vascular bypass surgery. The worst outcome of intestinal necrosis is usually cancerous, patients should seek timely medical treatment and actively cooperate with doctors to avoid aggravation of the condition.