The purpose of this study was to consider relationships of the ACSM ergometry sub maximal test protocols(The ergometry), Bench stepping(35,40cm)sub maximal test protocols(Bench stepping), Home stepping(18cm) sub maximal test protocol(Home stepping) and evaluate their effect on the VO2max of college student of China. Subjects included 349 common college students, 228 males and 121 females. In conclusion, the three test protocols need be further studied and improved so that the test results of the three protocols more accurately reflect the level of...