Objective:　Monitoring　and　evaluating　students＇　physical　education　training　quality　according　to　students＇　exercise　heart　rate　data　by　a　teenagers＇　youth　sports　load　monitoring　and　evaluation　system　to　realize　accurate　monitoring　and　evaluation　of　each　student　physical　education　training　quality,　realize　the　process　monitoring　of　students＇　physical　exercise.　Methods:　The　whole　motion　intensity　is　divided　into　three　levels:　low　intensity　exercise,　medium　intensity　exercise　and　high　intensity　exercise　(including　extra　high　intensity　exercise)　according　to　the　motion　of　the　heart　rate　collected.　Then　the　movement　time　of　each　intensity　exercise　was　calculated.　Results:　By　monitoring　the　movement　of　heart　rate　and　duration,　in　the　same　class,　due　to　the　different　levels　of　effort,　the　effect　of　the　movement　of　the　students　are　different.　Conclusion:　By　monitoring　the　heart　rate　and　movement　duration,　each　students＇　daily　exercise　load　was　visually　showed.　It　provides　objective　basis　and　instruction　for　physical　education　teachers.