Abstract: ObjectiveTo know the teenage's knowledge,attitude,practice and needs on reproductive health.MethodsOne thousand and eighty five freshmen from two ordinary colleges sampled randomly are inquired.ResultsCollege freshmen are short of and urgently require repr oductive health know ledge and there are some reproductive health problems among them like open-midded idea of sex.ConclusionIt is emergent to improve sex health education level in middle school and to continue to teach it in college.