Clinical psychology is a psychology specialty that provides continuous and comprehensive psychological and behavioral health care for individuals and families. Provide advice to institutions and communities; training, education, and supervision; and research-based practices. It is a wide-ranging profession, including severe psychopathology, and it is characterized by the completeness and integration of knowledge and skills from a wide range of disciplines within and outside the actual psychology. The scope of clinical psychology covers all age groups, diversity and different systems. Clinical psychologists apply knowledge and methods in all important fields of bio-psychosocial science to promote and maintain personal mental health. Due to changes in lifestyles, habits, and increased personal/professional/social pressure, mental health problems in different areas of society are increasing. As a major, clinical psychology provides services to individuals and families from all ethnic, cultural, and socio-economic backgrounds, groups, and communities.