Background : Lesbian, Gay, bisexual, and Transgender (LGBT) is a group of people who involved into same-sex relationships and make a controversy in the society. Adolescent period is vulnerable for being LGBT because in this period they were looking for self identity and can increase the number of stress among LGBT youths due to the stigma of the society toward this sexual minorities. The research need to be done to find out the perception among adolescents against this phenomenon. Methods : Design of this research is qualitative descriptive study to know deeper into the perceptions and experiences of participants through in-depth interviews with participants totalling 10 persons were selected through purposive technique sampling based on characteristics. Data were analyzed through qualitative approach using the technical thematic content analysis. Result : In this study obtained 8 themes regarding the perception of seinor high school’s youth toward LGBT phenomenon they are; the desire in self that consist of 4 categories, create a gaps that consist of 4 categories, potentially to thrive that consist of 2 categories, less religion belief comprehension that consist of 2 ategories, passively affected that consist of 8 categories, rejected from society that consist of 2 categories, the way to come back that consist 4 categories, and creat a negative effect that has 2 categories and 6 sub categories. Conclusion : The perception of youths toward LGBT phenomenon in SMAN 1 Subang get 8 themes that appear from the idea of participants they are; the desire in self, create a gaps, potentially to thrive, less religion belief comprehension, passively affected, rejected from society, the way to come back, and create a negative effect.