Objective: To recognize diagnostic factors of acute abdomen and investigate the control methods. Methods: A total of 8 patients caused by mesenteric vascular lesions were treated, followed up and analyzed on. Results: Six patients were operated on and confirmed pathologically; of two cases being superior mesenteric arterial embolism with abdominal aorta straddle and arterial embolism in both lower extremities (1 case died of whole bowel gangrene in 5 hours postoperatively, another one was recovered smoothly by resection of 60cm necrotic jejunum, removal of emboli in both iliofemoral artery, thrombolysis, and anticoagulatant therapy postoperatively); one patient with mesenteric artery thrombosis; of two cases with mesenteric venous thrombosis (1 case was removal of emboli and thrombolysis, anticoagulatant therapy postoperatively, another one was resection of 95% small intestine), one case with false aneurysm in superior mesenteric artery, resection of aneurysm and permutation of artificial blood vessel was performed successfully. The remained 2 cases with mesenteric vascular insufficiency were recovered by anticoagulatant and antispasmodic therapy. Seven cases cured. Conclusions: Mesenteric vascular diseases were relatively uncommon, symptoms and signs showed to be rather nonspecific, therefore, one should not merely rely on them for accurate diagnosis. Ultrasonography, CT are the sensitive examinations and benefit to diagnosis. Early interventions such as resecting bowel gangrene involved their mesentery and anticoagulant therapy may be essential to reduce the fatality and recurrence. Objective: To recognize diagnostic factors of acute abdomen and investigate the control methods. Methods: A total of 8 patients caused by mesenteric vascular lesions were treated, followed up and analyzed on. Results: Six patients were operated on and confirmed that pathologically; of two cases being superior mesenteric arterial embolism with abdominal aorta straddle and arterial embolism in both lower extremities (1 case died of whole bowel gangrene in 5 hours postoperatively, another one was recovered smoothly by resection of 60 cm necrotic jejunum, removal of emboli in both iliofemoral artery, thrombolysis , and anticoagulantnt therapy postoperatively); one patient with mesenteric artery thrombosis; of two cases with mesenteric venous thrombosis (1 case was removal of emboli and thrombolysis, anticoagulantnt therapy postoperatively, another one was resection of 95% small intestine), one case with false aneurysm in superior mesenteric artery, resection of aneurysm and permutation of artif The remaining 2 cases with mesenteric vascular insufficiency were recovered by anticoagulantnt and antispasmodic therapy. Seven cases cured. Conclusions: Mesenteric vascular diseases were relatively uncommon, symptoms and signs showed to be rather nonspecific, therefore, one should not alone rely on them for accurate diagnosis. Ultrasonography, CT are the sensitive examinations and benefit to diagnosis. Early interventions such as resecting bowel gangrene involved their mesentery and anticoagulant therapy may be essential to reduce the fatality and recurrence.