A ventral hernia occurs when the contents of a body cavity bulge out of the area where they are normally contained. These contents, usually portions of intestine or abdominal fatty tissue, are enclosed in the thin membrane that naturally lines the inside of the abdominal cavity (peritoneum) .This work aims to study and compare the outcome of using heavy-weight mesh and light-weight mesh in ventral hernia repair.: In our study, The number of patients was 120 which were divided randomly in repair using lightweight mesh ( Ultrapro mesh ).The lightweight mesh offers benefits over heavyweight mesh for ventral hernia repair by reducing the incidence of chronic pain and foreign body sensation. Complications – seroma and infection - with lightweight meshes were less than heavyweight meshes , recurrence rate was high with heavyweight meshes than lightweight meshes.It could be concluded that the repair of primary ventral hernia cases can be made with light weight mesh or heavy weight mesh , but the cost-benefits of using LW mesh is still main obstacles. We suggest that light weight mesh is an option for repair of primary ventral hernia as its complications are less and the quality of life is better .