The current research aimed at identifying the effectiveness of a proposed strategy based on the theory of successful intelligence in developing teaching competencies and self-regulation of learning among students of science teachers in the Faculty of Education. A research sample was chosen consisting of (70 males and females) from the fourth year of the Faculty of Education, Zagazig University, the first semester 2017-2018. The research sample was divided into two groups: an experimental group (35 males and females) studied the course of science teaching methods using the proposed strategy, and a control group (35 males and females) studied the same course with the usual way. Through that the pre and post application of research tools (teaching competencies scale- self-regulation of learning scale) on two research groups were applied, and several conclusions were reached: Superiority of the experimental group students in the post application on pre application in the development of teaching competencies, self-regulation of learning, and Superiority of the experimental group students on the control group students in the post application in the development of teaching competencies, self-regulation of learning, and a positive correlative relation found between teaching competencies and self-regulation of learning in the research sample, and Some recommendations and proposals were presented in light of the results reached.