Abstract:【Objective】 To evaluate the operative technical and feasibility of completely laparoscopic splenectomy combined with portal azygous disconnection for severe splenomegalia induced by portal hypertension. 【Methods】 Thirty three cases with severe splenomegalia induced by portal hypertension were treated by laparoscopic splenectomy combined with portal azygous disconnection by ultrasound knife and ligasure in our department from March 2009 to November 2011.【Results】 Laparoscopic operation were accomplished in 30 cases. Of which 28 cases were dealed with second order spleen stem amputation and two cases were converted to open surgery due to intraoperative big bleeding. The operative time was 145 to 320 minutes(average 200 minutes). The intraoperative blood loss was 150 to 1 200 mL(average 450 mL). The postoperative complications included thrombosis of portal vein in six cases, manipulus ascites(<300 mL) in five cases, mild pancreatic fistula(<10 mL/d) in four cases, mild pleural effusion(<300 mL) in three cases, and subdiaphragmatic abscess in one case. Length of stay after operation was seven to sixteen days(average eight days). Follow up was conducted in 33 cases for 4 to 24 months(average eight months). There were no rehaemorrhagia and mortality occurred. 【Conclusion】 Completely laparoscopic splenectomy combined with portal azygous disconnection is microwounded, effective and relatively safe in treatment of severe splenomegalia induced by portal hypertension. There are considerable clinical promotion value.