The research was to identify learning difficulties and sources of errors in the pool crawl on the back of the students women with learning difficulties, and also identify the effectiveness of the use of learning certain amount of subsidized electronically in the treatment of learning difficulties in the pool crawl on the back for beginners, and the researcher used the experimental method on a sample of 24 students from female students with learning difficulties second year at the Faculty of Physical Education Girls Zagazig University, has been, has been divided into two groups, one experimental and the other officer strength of each (12 students). Search Tools: Test of intelligence and high - performance evaluation of the technical level of swimming crawl on the back - a computer - tutorial using a certain amount of learning. Among the most important results: 1- The effectiveness of the approach to learning certain amount of subsidized electronically to the upgrading of the technical performance of the pool to crawl back to students women with learning difficulties level. 2- effective method of learning the commands to the upgrading of the level of technical performance of the pool to crawl back to students women with learning difficulties. 3- outweigh the experimental group (learning certain amount of subsidized electronically) to the members of the control group (learning commands) in telemetric measurement ratios improved post test for tribal level of technical performance of the pool to crawl back to students women with learning difficulties.