countries all around the world all emphasize the evaluation of the young’s physical fitness.The research conducts an investigation and study on the physical fitness of adolescence abroad thoroughly. It finds five general trends：firstly，the knowledge on fitness abroad. tends to converge. They shift their attention from body shape and physical strength the preliminary stage to physical and mental coordination as well as adapting to modern life. Secondly，the society’s participation in the evaluation mode of teenager’s physical fitness has now become a mainstream. Thirdly，plurality of evaluation subjects is more prominent including the government，the society，schools，parents，students etc. Fourthly，the evaluating indicator system of foreign adolescents’ physical fitness is gradually converging according to the need of comparative research，while there exist great differences in the evaluation results. Fifthly，the evaluation guarantee mechanism of the young’s physical fitness established by national government is being improved day by day.