Oral health and general health are interrelated as both are concerned with well-being of the body. Health is essential from the perspective of maqasid syariah to protect faith or religion, life, lineage, intellectual and property. The book on Health & Quality of Life introduces the basic concept of health of the body along with well-being and quality of life the person with emphasis on oral health-related quality of life (OHRQoL). It highlight several approaches in measuring OHRQoL that include the use social indicators, global self-rating and multiple-item questionnaires. The primary intended audience of this book is the undergraduate students in the field of dentistry and health sciences. this book may also be useful to those who are trying understand the essentials of health that forms the substance of quality of life and oral health-related quality of life.