Abstract: This paper designs and realizes a model of mobile commerce under cloud computing platform．Realizes the resources unified scheduling and distribution of front-end cluster’s desire．The server’s computing power enhances obviously,realize the purpose of slight-client．Realize the information interaction base on cloud computing,server-side and client-side become independent units,which can finish the trade process only to use browser,to ensure the flexibility of designation．The experiment demonstrate that using this interaction model of mobile commerce can distribute the service resources excellently,improve means of exchange and user experience.

Key words: Cloud computing,Mobile commerce,Interaction model