The study found that in the Phaya Meng Rai District during the year 2013,2014 rate of sexually transmitted disease are 0.95,33.2 per hundred thousand population, respectively, in 2015 and last year had a sexually transmitted disease rates as high as 115.53 per hundred thousand population. Which survey most of the people infected are aged 15-19 years, we have seen that the rate of sexually transmitted diseases has increased every year. This makes the curious behavior of health studies linking against sexually transmitted disease in leading high school students in the district, Phaya Meng Rai. To find ways to reduce the incidence of sexually transmitted diseases, and risk behaviors of this research.