This research aims know the influence of water relay games against a decline in the level of anxiety of students in learning the basic techniques of swimming breast stroke. The research method used is the method of experimentation with the design of the study randomized pretest-posttest control group design. Research instrument used in the form of a questionnaire that was adopted and develop from Hamilton Anxiety Rating Scale (HARS). Participants in the study involving 30 student's sports science, Sports Education and Health Faculty of the Universitas Pendidikan Indonesia force 2017. Determination of the sample in this study using a purposive sampling technique. 30 participants were dividing into two groups, the experimental group and the control group. Data analysis techniques using Paired T-Test and the Independent samples T Test. The results showed that there were significant effects in the form of a decrease in the level of anxiety of students in learning the basic techniques of swimming the breaststroke is at experimental group and the control group with the highest significance = 0000. Then it can be inferred that the water relay games approach is very effective to reduce the level of anxiety of students in learning the basic techniques of swimming breaststroke.