The article discusses the childhood sexual abuse among the heterosexual, homosexual, bisexual or queer and its casual effects on their psychological behaviors that conceptualize a sexual identity. Authors attempted to investigate whether there is a relationship between childhood sexual abuse (CSA) and non-heterosexual as a sexual identity. They found that non-heterosexual is linked to mental health issues than is linked to childhood sexual abuse issues. It is said, that individuals who experienced trauma from sexual acts are usually difficult to define because there are a varying range of non-consensual sex or rape that cannot be define interchangeably. For example, in a normative society in which we live, once thought, that once a person considered a non-heterosexual it would extend the beyond reasoning for the person becoming a non-heterosexual is the reason for the impact traumatic sexual experience with someone of the same sex. While, Dietz (2001) suggested that a heterosexist framework in which defines of a person who may be assumed that he or she is a heterosexual unless he or she experienced an impact or a traumatic event that changes his or her sexual identity.