There is a unclear understanding whether occupatioal therapy is needed by patients whohave injuries or diseases.113 cases of patients with different diagnoses were interviewed in this study. The measurement tool used was Canadian Occupational Performance Measure (COPM).Statistical anal-ysis showed that all of patients had identified and prioritized problems with occupational performancesecondary to injuries or diseases. Occupational therapy intervention was required to solve the problemsin different occupational performance areas. COPM is an useful measurment tool in the model of patient-centered occupational therapy and is well worth recommending in clinical use.