A traffic package providing method and a related device, where the method includes obtaining, by a terminal device, travelling schedule information, sending the travelling schedule information to an access platform server, receiving information about multiple traffic packages from the access platform serve, where each of the N travelling schedule nodes corresponding to information about at least one traffic package in the information about the traffic packages, and the information about the traffic packages are provided by an operator, sending a traffic package subscription message to the access platform server, where the traffic package subscription message includes an identity of a determined target traffic package and identity information of the terminal, obtaining N profiles, and installing the N profiles.