Fund directional circulation method and device, server and storage medium

The embodiment of the invention provides a fund directional circulation method and device, a server and a storage medium. The method can be used in financial or other fields. The method comprises the following steps: a loan side server, a borrowing side server and a payee server use the same target protocol when executing a target loan service, wherein the target protocol is used for representing the fund flow direction of funds among fund accounts in different fund flow processes of the target loan service. Therefore, directional flow of funds can be realized according to the target protocol. Meanwhile, when the fund is circulated in the corresponding fund circulation process, the fund is bound with the corresponding protocol identifier, and only when the fund circulation request carrying the protocol identifier is executed, the fund is transferred out, so that the fund cannot be used by other ways. In the whole process, banking business personnel do not need to freeze and unfreeze funds, and the effect of s