Treatment options for mesenteric artery thrombosis:1. general symptomatic treatment, including establishment of intravenous nutrition, gastrointestinal decompression, intravenous rehydration to maintain water and electrolyte balance, etc., blood transfusion if necessary, and early initiation of cephalosporin-based broad-spectrum antimicrobials; 2. early subcatheter thrombolysis, but this treatment is not recommended if the elderly have poor coagulation; 3. intestinal resection, and if intestinal necrosis has occurred, then Dissection with intestinal resection. The disease has a poor prognosis and is prone to complications such as small bowel necrosis and severe abdominal infection, and timely detection and treatment is the key.