Provided is an information processing method. The method comprises: acquiring login authentication information input on a login interface of a client, wherein the login authentication information is used for launching a first object (101); sending the login authentication information to a cloud server which then determines whether the login authentication information is correct and valid (102); and controlling the launch of the first object according to the determination result returned by the cloud server (103). Further provided are an information processing device, system, and a computer storage medium.