Purpose: In this study, it was aimed to examine the effect of motivational interview on daily living activities on physical adaptation and quality of life in elderly people who underwent total knee replacement.it was aimed to examine the effect of motivational interview on daily living activities on physical adaptation and quality of life in elderly people who underwent total knee replacement.

Design: The research was planned as a pretest, posttest, randomized controlled study in order to determine the effect of the motivational interviews on the life quality and physical activity of old patients.

H1: After total knee replacement, the target for daily living activities is higher than the patients who applied the hand and those who did not.

H2: Patients with targeted daily living activities with total knee replacement begin to get used to it and begin earlier than those who do not.

Inclusion Criteria:

• Those aged 65 and over,
• Having total knee replacement,
• The non-spiritual system (the peasant of the sick),
• A person who can read and write can cope at a level that prevents conversation,
• First time system add-on,
• They are viewed as agreeing to participate in the research.

Exclusion Criteria:

• Neurological (such as dementia) and psychiatric (such as schizophrenia) medical diagnoses that affect cognitive status
• Patients who did not participate in the motivational interviews and who wanted to leave the study were determined.