Abstract: Introduction: Total hip Arthroplasty may be a surgery, which relives pain associated with hip joint. The success of Total Hip Arthroplasty is its ability to alleviate the pain related to hip pathology, while maintaining the mobility and stability of the hip. Objective: This study was undertaken to assess the Clinical outcome of the entire hip Arthroplasty in our institution. Material & Methods: This retrospective and prospective study was administered on 500 patients of Total Hip Replacement operated within the Department of Orthopedic Surgery, Bangabandhu Sheikh Mujib Medical University (BSMMU) Dhaka, Bangladesh between the study periods of August 2016 to August 2019. All patients underwent a typical clinical and laboratory evaluation that has briefly information about age, sex, address, clinical history and routine investigation which were done pre operatively. X-Ray of hip with AP view was done. Pre-op Range of Motion, deformities and its values were recorded for the study by clinical evaluation and Modified Harris hip scoring was done preoperatively and postoperatively with follow up at 4 weeks, 6 months, 1 year and at yearly intervals. Results: This study was conducted on patients ....................