The construction of educational informatization in colleges and universities has gone through the stage of development from digital campus to intelligent campus. Block chain has the characteristics of decentralization, de-trust, non-tampering and trace- ability, which fit the open, interactive and cross-platform characteristics of wisdom education. It has unparalleled advantages in help- ing wisdom education and effectively constructing trust system among educational subjects, and helps to create a new environment of more open and credible education ecology.