We present the case of a 62 years male subjects, known with liver cirrhosis diagnosed in 2000 during a laparoscopy. The subject presented with important atypical abdominal pain, leucocytosis, thrombocytosis, small ascites; pneumatosis and hydro-aeric images of small intestine at abdominal X Ray, thickened bowel wall at CT-scan. Laparoscopy revealed mesenteric venous thrombosis, intestinal infarction and the standard surgical treatment was enterectomy. Mesenteric thrombosis may rarely occur in liver cirrhosis due to portal hypertension. This rare but severe complication is usually difficult to diagnose..