Abstract: Home has played a crucial role in mental health of adolescent’s life because mental health of a child mainly depends on the kind of home that they live in and the community in which they belong. The home is such a place where the early education of the child begins through various informal contacts with the family members. The quality of home affects the mental health of children and academic achievement of the child. Adolescence develops a good mental health if they treat properly in home. Here we can study about the causes affecting the mental health of adolescents and how it prevents mental illness among the adolescents. Parents should provide suitable home environment to their child. Parents should understand the problems and talk to their child if they found something wrong in attitude of students. There are many causes responsible for creating mental illness in adolescents. Parents should encouraged the child to participate actively in various co-curricular activities organized by school. Therefore parents should spend most of their times with child and provide valuable guidance to their child in any aspects of life.