The aim of this research is to identify the effect of KAATSU resistance training on some of the physical and functional variables of boxing beginners, The researcher used the experimental method for two groups, The researcher selected the research sample by pres of the intentional way (16) boxers of Tanta Sports Club boxers registered with the Egyptian Boxing Federation and divided into two groups of each (6) boxers, the most important resulte Promoter training helps to increase muscle tone and increase muscular strength in boxers, Promoter training helps to increase the muscle strength of boxers.