Due　to　the　differences　of　cryptography　and　key　management　model　between　TCM　and　TPM,　an　application　which　is　developed　based　on　TPM　could　not　access　TCM　through　existing　software　without　modification.　To　solve　this　problem,　we　propose　a　new　TCM　software　stack.　It　supplies　a　uniform　interface　orienting　to　applications　for　shielding　the　difference　of　chips.　Compatibility　explainer,　the　key　component　of　TCM　software　stack,　converses　commands　and　data　structures,　constructs　and　resolve　information　string　during　the　authorization　protocols.　The　design　of　TCM　software　stack　is　guided　with　strategy　pattern　and　its　implementation　is　based　on　a　TSS　instance　and　the　interface　definition　of　TSPI.　Through　the　emulation　of　TCM　software　stack　and　comparison　with　other　related　work,　the　result　shows　that　the　compatibility　problem　has　been　solved.