Take 40 excellent male swimmers from one swimming training team as research objects, adopt document, interview and experiments so on, mainly research and analysis excellent male swimmers body shape features in different event-groups with the purpose of providing proofs and help to improve male swimmers scientific body shape training by exploring excellent male swimmers body shape rules in the same group of swimming event. The results show that after making independent samples T testing on different event-groups excellent male swimmers body shape index, swimming event of physique of Dominated Speed-Groups and physique of Dominated Endurance-Groups’ male swimmers have significant differences in above index. Among them, excellent male swimmers in physique of Dominated Speed –Groups achieve higher scores that provide important references to physique of Dominated Speed-Groups male swimmers selection.