An access authorization management method and system. The method comprises: a first client obtaining at least one secret key from a server (S301); generating temporary access information according to the access card information of the first client and the secret key (S302); sending the temporary access information to a second client (S303); controlling the opening and closing of the access according to the temporary access information of the second client (S304). The method and the system can conveniently realize the access authorization management for visiting customers, and improve the convenience of users.
