The　lack　of　student　knowledge　practice　is　a　problem　under　the　influence　of　the　concept　of　traditional　teaching　and　traditional　classroom.　And　the　proportion　of　knowledge　inheritance　is　far　more　than　that　of　knowledge　innovation.　To　improve　students　innovative　design　ability,　considering　the　existed　problems,　this　article　puts　forward　the　thinking　about　building　a　new　experimental　teaching　method　of　Information　Engineering　experiment.　Based　on　＂Class　Field＂,　the　method　is　designed　to　guide　the　innovative　practice.　The　six　steps　of　the　method　is　introduced　to　create　the　Class　Field,　including　real　time　tracking　and　evaluation　of　process　model,　etc.　The　six　years＇　data　in　the　process　of　new　teaching　has　been　analyzed　and　the　result　reflects　that　the　method　is　effective　in　improving　the　students＇　innovation　ability.