This study discusses sexual behavior in drug residents at the ArRahman Palembang drug rehabilitation center using qualitative methods with descriptive types. The number of subjects in this study were 3 men selected by purposive sampling technique. This study aims to determine how sexual behavior and what factors influence sexual behavior in drug residents at the Ar Rahman drug rehabilitation center Palembang. The collection methods used in this study were interviews, observation and documentation. next is data analysis with data reduction, data display and conclusion/verification. The results of the study showed that the three subjects were unnaturally close to their partners, did various things that unmarried couples should not do, such as kissing, sucking breasts and other forms of sexual behavior, while undergoing rehabilitation they also still masturbate. In this case, the three subjects agreed that several factors influenced sexual behavior, namely, increased sexual desire which was difficult to control, due to delays in marriage age, closeness and openness to parents, lack of sexual information and sexual stimulation through technology media, and influencing factors. from the good environment of friendship and the environment around the house.