Successful reconstruction of extensive soft tissue defects in the head and neck region usually require voluminous tissues for restoring the reasonable form and basic functions. Rectus abdominis flap is more versatile and voluminous tissue flap to obtain water seal wound closure and facial harmony. Its efficacy and outcome of reconstruction of oro facial defect using rectus abdominis free vascularized flap are discussed in this study. 10 patients were taken in the study, 7 male and 3 female who underwent composite resection with reconstruction using rectus abdominis free flap. Age of patient varied from 55 to 73 years and mean was 64 years. Overall flap outcome was good in nine patients and one flap was failed. Survival rate of the flap remains high when compared to other soft tissue flaps.