In response to the world trend, the National Academy for Educational Research has launched many new principal training models in recent years. This sub-project is responsible for the principal's curriculum & instructional leadership and reinforcement training module. The project plans to use the design-based research method to develop this module. It is expected to use the two-and-a-half-year period to complete the following research objectives. (1) Select the appropriate theory of principal's curriculum & instructional leadership and reinforcement training, and provide for future course design and development direction (2) Through interviews and questionnaire surveys, understand the needs for curriculum & instructional leadership and reinforcement training (3) Design on the principals' curriculum & instructional leadership and reinforcement training curriculum development module connotation and evaluation. (4) Actually implement the curriculum module and evaluate its effectiveness. (5) Review and improve the developed curriculum modules to provide reference for the next wave of relevant curriculum module construction.