E-commerce design withiest an important requirement of the labor market and one of the knowledge that must be available to graduates of commercial technical secondary education, as it helped to provide a lot of job opportunities, reduce the unemployment rate, double productivity rates, and made an important role for its workers in the field of development, and since micro-learning plays an important role in teaching and learning, as it turned from extended learning to micro-learning, where learning content is provided in small units over time and as needed, as well as learning and application What is learned in small and focused steps, concentrated learning (3-5 minutes), and due to the lack of e-commerce knowledge in commercial secondary education courses, appropriate research tools have been prepared for first-year commercial secondary students, which were represented in building a list of e-commerce knowledge, the knowledge test, the emotional intelligence scale, and the researchers in this research followed the semi-experimental design with one experimental group, With the application of before and after the research tools, a study sample was formed from (30) students from the first grade of commercial secondary school at Badr Commercial Secondary Mixed School, and the tools were applied over a period of three months, the results of the study proved the effectiveness of microlearning in developing e-commerce knowledge and emotional intelligence.