The embodiment of the disclosure relates to a method and device for hosting a blockchain network to a blockchain application platform and a computer readable storage medium. The method includes the following steps: obtaining network topology information of a current blockchain network; reading blockchain configuration information from an account book of the current blockchain network; obtaining key certificate information of the current blockchain network; constructing a new blockchain network according to the network topology information and the blockchain configuration; and providing the keycertificate information to a key certificate storage associated with the blockchain application platform. The embodiment of the disclosure provides a scheme for hosting the blockchain network to theblockchain application platform, the problem of switching services among different blockchain application platforms can be effectively solved, and the transfer hosting can be implemented at a small cost.