The purpose of this study was to investigate the relationship of relative strength weight and skill performance in Gymnastics of physical Education Major. The sample of the study consisted of (25) students, (15) male, and (10) Female, whom they were finished Gymnastics (1) and (2). The results revealed a significant positive correlation among relative strength, weight and performance, where (R2) (0.726) the contribution of relative strength in predicting performance was (44.5%), and (28.5%) for weigh. Based on the study findings the researcher recommended to use light weigh exercise, and follow up the students’ body weight.