This study included 53 patients who were planned to undergo a total hip arthroplasty in Istanbul Faculty of Medicine, Department of Orthopaedics and Traumatology, between November 1st 1990 and March 31st 1991. Pre- and post-operative rehabilitation procedures were administered to these patients, and they were educated about activities of daily Iiving. A special grading system was used to evaluate their functional status. At the end of the study, 27 patient were excluded for several reasons. 26 patients whose three and six month's functional examinations were completed were evaluated. At the end of the third month in 14 of 26 patients, and at the end of the sixth month in 22 of 26 patients, functional scores were increased. In conclusion, we can say that pre- and post-operative rehabilitation program for total hip arthroplasty markedly improves the functional status of these patients and make their adaptation to daily life easier.