Background: The surgical treatment ofincisional hernia has changed rapidly during the last decade with the increasing use of mesh technique and the introduction oflaparoscopy. However, many questions  concerning mesh type, mesh positioning, fixation method and operation type still remain unanswered. Methods: The study includes 100 cases of anterior abdominal wall hernias, including incisional hernia (cicatricial  or paralytic types). The idea of the tension free repair of anterior abdominal wall hernia depends  on repair of the defect by double layer onlay polypropylene mesh the deeper mesh is fixed to the free edge of the defect by polypropylene (No.1). The mean operative time was 2 hours (ranging  between 1.5- 4 hours). Follow up of the patients was performed every 3 month with maximum follow up of two years and a minimum of six months. Results:  The early postoperative course was uneventful in 96 patients (96%). Four patients presented with  wound infection,  two patients  presented  with superficial infection,  the other two patients presented with deep infection and exposed mesh. The follow up revealed 8 cases of recurrent hernia (8%), two ofthese cases were associated  with obesity, and one case was associated with bronchial asthma. Conclusion: In our  study  we modified  the onlay  technique  for incisional  hernia  repair by using double layer onlay polypropylene  mesh the deeper mesh is fixed to the free edge of the external oblique muscle, this modification insured a tension free repair of the hernia, the technique is universal and can be applied in both scar and paralytic insicional hernia.