Abstract: Using the data of the healthy situations of the ethnic students in the southwest area from 1985 to 2000,this paper makes a historical analysis and lateral comparison on the changes of these students’ endurance qualities over the 15 years,and it also discusses the features,the rules,the trends,the differences and the reasons of the this changes,thus  providing theoretical basis for having healthy children and the teaching of Physical Education and Health in this area.

Key words: southwest area, ethnic minorities, students, endurance qualities