Abstract The purpose of the study was to investigate that the elementary school teacher’s cognition and attitude and implementation of school health programs in Taipei county.The subjectswere sampled by systematic sampling and the data were collected through a self-administrated questionnaire. The valid samples were 382.And the major finding were as follows: 1. There were 80% of the class teachers had never got any credit in health sciences programs;although 76% of them had participated some health programs,but only about twice a year.. 2. The best of class teacher’s cognition about school health programs was physical environment,the health instruction was next,and the community relationship was the worst. 3. The teachers who were older,senior of teaching,teaching the health and those who were female,were related to higher score of the cognition of school health. 4. The class teachers’ attitude toward school health were that the social environment was the most important and the community relationship was the lest important. 5. Those who were teaching the health and who were female were the more positive attitude toward the school health. 6. The implementation of school health programs,the school health service was the best,and the physical environment was the second,and the community relationship was the worst. 7. The teachers who were older,senior of teaching,teaching the health,.having participated some health program and female,had higher score of the implementation of school health programs. 8. The class teachers’ major berriers in school health programs were short of tranning, professional knowledge, parents support and teaching materials.