The usage of assessment and intervention in order to recover, maintain and develop meaningful activities of individuals or communities is termed as occupational therapy. People who suffer from disabilities, injuries and mental health ailments are treated under this branch of health care. Children and young adults with disabilities require occupational therapy for participating in social situations and attending schools. This field makes use of concepts and knowledge from a variety of other fields such as medicine, speech-language pathology, physical therapy, audiology, social work and psychology. The order of actions in which occupational therapy functions is known as the occupational therapy process. It mainly consists of evaluation, intervention and outcomes. This book discusses the fundamentals as well as modern approaches of occupational therapy. Also included herein is a detailed explanation of the various concepts and applications of occupational therapy in health practice. The readers would gain knowledge that would broaden their perspective about this field.