The growing trend of heroin has been started since last year and there is an increase of heroin producers and independent retailed traffickers in Thailand, Thai -Myanmar, and Thai-Lao PDR borderline. Heroin was smuggled through Mae Sai District, Mae FahLuang District; Chiang Rai Province, and Pai District; Mae Hong Son Province. Besides, the availability and the lower price of heroin indicated that the epidemic problem of heroin is going to return in our society in the near future