In this study, the writer focuses on gender power and reproductive health seeking behaviour in terms of cultural and socialization process affecting sexual needs in the society in the early age as well as expectations on the Hmong children’s sex. Furthermore, the researcher studies reproductive health behaviour related to family planning, mother and child health, Infertile, unwanted pregnancy, abortion, sex education, risk behaviour form sexual activity and sexual violence. However, even the Hmong socio-cultural conditions have been changed, the male still has influenced decision process and even the female has more roles on negotiated power, the male is superior than the female in the Hmong society.