Provided are a method and system for virtual authorization code-based process authorization. The method is performed by a server, the method comprising: a step in which the server receives a virtual authorization code to thereby receive a request for authorization of a process; a step in which the server, on the basis of the virtual authorization code, searches a storage space of user authorization information of a user within a storage location search algorithm; a step in which the server extracts the user authorization information stored in the storage location and authorizes the user on the basis of the user authentication information; and a step of authorizing the process upon completion of the user authorization.