The main purpose of this study is to take the approach of integrating discourses of ideas and practical needs in order to investigate the core contents of elementary school life education. The methods of literature survey, documentary analysis, and questionnaire survey are adopted for handling with related problems. Literature survey and documentary analysis are used for the purposes of inquiring about the core ideas of life education and providing necessary information for questionnaire construction. Based upon the finding secured from the data of 419 valid questionnaires (95%) of elementary school teachers in Kaohsiung Metropolitan City, the ideas of core contents are evaluated with empirical findings. Complementary information of practical needs of professional teachers is also included for the needs assessment of elementary school life education. In order to upgrade the effectiveness of program implementation, key dimensions and important indicators of elementary school life education are identified with proposed order of priorities.