Introduction The specialized technical teaching and swimming training methods for children are the basis for improving the effect of swimming training and reducing the occurrence of sports injuries. In recent years, swimming physical training technology in China has developed rapidly. Swimming physical training for children can improve the comprehensive sports quality of young people. Objective In this paper, the indexes of 50m butterfly and 50m breaststroke were determined. These data quantitatively examine the effect of the program on swimming performance. Methods 18 children and adolescent swimmers participated in the sample analyzed in this study. In this paper, 18 participants were divided into experimental and control groups. These groups have four swimming styles: butterfly, breaststroke, backstroke, and freestyle. Results After two months of coordination exercises, the performance of butterfly and frog swimming was partially improved. There were significant differences in the data (P<0.05). Conclusion The fitness training process can improve the overall quality of athletes. Level of evidence II; Therapeutic studies - investigation of treatment outcomes.