The study aims to develop a proposed program using smartphones in order to know its effect on learning to swim and crawl on the abdomen, and the experimental approach was used, and the size of the selected sample reached (60) students, who were divided into two groups (experimental - control), each group consisted of (30) students. The experimental group is applied to the proposed program using smart phones, while the control group applies the traditional program followed, and an exploratory sample was selected from within the research community and outside the basic sample, and its number reached (15) students to be applied to the poll studies, and among the most important results: the superiority of the experimental group that used The proposed program with smart phones on the control group that used the traditional method (verbal explanation and the performance of the practical model), which indicates the effectiveness of the proposed program using smartphones and its effect on learning to swim stomach crawling, and among the most important recommendations: Apply the proposed program using smart phones when teaching a swimmer to crawl on Belly.