The surgical treatment of an individual with osteoarthritis and hip fracture is provided by hip replacement surgery. While restructuring the joint surfaces with surgery, it is aimed to provide both hip joint movements and to treat pain. Intense perioperative pain after hip replacement is common due to inflammatory agents and surgical intervention (eg, involvement of soft tissue and sensory nerves). Inadequately treated acute postoperative pain causes longer hospital stay, limited and delayed bed rest, decreased compliance with physical therapy, and an increased incidence of postoperative complications. It is thought that this method, which can be effective in the pain control of the patient, will be beneficial for the patient both physiologically and psychologically by reducing pain and discomfort. The most important advantage of TENS; It can be easily applied by nurses and easily taught to patients or families. The nurse has a great role in the follow-up of the patient after the surgery, as she/ he is with the patient for 24 hours. When the literature is examined, it is seen that the number of studies showing the effectiveness of TENS application in patients who underwent hip prosthesis, where studies were conducted with patients with knee gonarthrosis, is limited. In this direction, the aim of the study is to examine the effect of TENS application on patients' pain level and analgesic use in patients undergoing hip replacement.