Credit bank is an important approach to construct lifelong education.This article systematically elaborates on the coupling mechanism between blockchain technology and the construction of credit bank platform,builds a credit bank platform with Hyperledger Fabric technology,analyses the operating mechanism of the platform,and designs smart contracts for learning outcome transformation.The experimental results show that the platform is feasible through simulation.Finally,this article puts forward measures to ensure the construction of credit bank platform based on blockchain technology.The research on the construction of credit bank platform of lifelong education based on blockchain technology provides reference for promoting the development of credit banks.