The growing popularity of Ukrainian belt wrestling in Ukraine and the world is due to the peculiarities of belt wrestling and the rules of the match, unlike other types of belt wrestling. Due to the peculiarity of the rules of conducting a match in Ukrainian belt wrestling, the method of conducting an educational and training process to increase the level of sportsmanship requires the latest approaches at various stages of long-term sports training, in contrast to other types of belt wrestling, where there is already a clear method of preparation for various competitions. The problems of improving the quality of the educational and training process of athletes in Ukrainian belt wrestling attract the attention of both domestic and foreign scientists. The aim of the study: to improve the theoretical training of athletes in Ukrainian belt wrestling at the stages of multi-year sports training to improve the training and education process of wrestlers and increase the level of sports preparedness. Research methods: theoretical (analysis of scientific and methodological, regulatory and historical literature), pedagogical (pedagogical observation, testing, level of sports training), medical and biological (heart rate, blood pressure), mathematical research methods. Conclusions: in sports training, the most significant changes occurred in the level of theoretical training of athletes of the experimental group, the level of which increased by 33.2%, in psychological training, the emotional state of athletes in the experimental group improved by 29.7%, the level of technical and tactical training of athletes in the experimental group increased by 28 .5%, the level of physical fitness of athletes of the experimental group increased by 11.8%.