From this study's survey on the demands in e-learning, it is found that, e-learning instructional designers remain the kind of professional talent urgently in need of cultivation in Taiwan's market, and during these past years of promoting e-learning, one of the key challenges for the related training institutions have been to train e-learning instructional designers that are high in quality and sufficient in quantity. Consequently, this study firstly conducted a survey among industry members and enterprises in Taiwan and on their needs for the position of e-learning instructional designer, and their expectations of the basic competence. Next, through a review of the literature, the study summarized the necessary professional knowledge and skills of e-learning instructional designers, pointing out their likely deficiencies in practice, and constructed a course of on-job or pre-job training for e-learning instructional designers. In the creation of this training course, it was discovered that many of those intending to work as e-learning instructional designers were vague on the process of instructional design and the core substance of the various phases. The study chose to develop multimedia coursewares through the teamwork-based "collaborative instructional design model" as a reference for institutions or individual instructors training e-learning instructional designers, in the hope of increasing the effectiveness of e-learning.