Swimming is a physical activity in which the whole body actively participates, and therefore the connection of the musculoskeletal and cardiovascular systems is necessary. Its application and knowledge are discussed and explained at the beginning and introduction of this paper, and in addition, the levels of difficulties in psychophysical development of children are listed, and the form of motor activities is described as one of the most important items for motor maintenance training processes. Cognitive and intellectual development with emotions and behavior will be described in the first part of the seminar, and mobility and certain degrees of ability will be mentioned in later elaboration as important factors in preventing and improving the psychological and physiological system. In the second part of this final paper, the importance and influence of progress in physiological and psychological development for a special category through swimming is proven. The importance is focused on coordination, relaxation and flexibility and precision as centered motor knowledge through therapeutic swimming, because they are much more important for health status and have a greater impact on expected motor achievement or progress than other motor skills such as strength, speed etc.