An inter-area media service switching method, comprising: acquiring, by a first Mobile-Edge Computing, MEC,-Content Delivery Network, CDN, node, mobile information about a user device from a core network; wherein the user device establishes a connection with the first MEC-CDN node, and acquires a media service from the first MEC-CDN node; determining, by the first MEC-CDN node, in response to determining that the user device is pre-moved out of a coverage range of the first MEC-CDN node according to the mobile information, a second MEC-CDN node and/or a second MEC platform to which the second MEC-CDN node is attached, and establishing a connection with the second MEC-CDN node; migrating, by the first MEC-CDN node, state information about the user device onto the second MEC-CDN node; and establishing, by the second MEC-CDN node, in response to determining that the user device enters a coverage area of the second MEC-CDN node, a connection with the user device, to enable the user device to acquire the media service from the second MEC-CDN node, wherein determining the second MEC-CDN node and/or the second MEC platform, comprises: selecting, by an MEC management platform, the second MEC-CDN node and/or the second MEC platform according to an interest area of the user device, and acquiring, by the first MEC-CDN node, information about the second MEC-CDN node and/or the second MEC platform from the MEC management platform; and/or determining, by the first MEC-CDN node, the second MEC-CDN node and/or the second MEC platform, according to a management strategy configured by a CDN node management platform where the first MEC-CDN node is located, the method further comprises: before migrating, by the first MEC-CDN node, the state information about the user device onto the second MEC-CDN node, requesting, by the first MEC-CDN node, creation of the second MEC-CDN node on the second MEC platform through the MEC management platform and/or an MEC choreographer, in response to determining that there is no second MEC-CDN node existing on the second MEC platform; and migrating, by the first MEC-CDN node, an application and a state of the first MEC-CDN node onto the second MEC-CDN node. acquiring, by a first Mobile-Edge Computing, MEC,-Content Delivery Network, CDN, node, mobile information about a user device from a core network; wherein the user device establishes a connection with the first MEC-CDN node, and acquires a media service from the first MEC-CDN node; determining, by the first MEC-CDN node, in response to determining that the user device is pre-moved out of a coverage range of the first MEC-CDN node according to the mobile information, a second MEC-CDN node and/or a second MEC platform to which the second MEC-CDN node is attached, and establishing a connection with the second MEC-CDN node; migrating, by the first MEC-CDN node, state information about the user device onto the second MEC-CDN node; and establishing, by the second MEC-CDN node, in response to determining that the user device enters a coverage area of the second MEC-CDN node, a connection with the user device, to enable the user device to acquire the media service from the second MEC-CDN node, wherein determining the second MEC-CDN node and/or the second MEC platform, comprises: selecting, by an MEC management platform, the second MEC-CDN node and/or the second MEC platform according to an interest area of the user device, and acquiring, by the first MEC-CDN node, information about the second MEC-CDN node and/or the second MEC platform from the MEC management platform; and/or determining, by the first MEC-CDN node, the second MEC-CDN node and/or the second MEC platform, according to a management strategy configured by a CDN node management platform where the first MEC-CDN node is located, selecting, by an MEC management platform, the second MEC-CDN node and/or the second MEC platform according to an interest area of the user device, and acquiring, by the first MEC-CDN node, information about the second MEC-CDN node and/or the second MEC platform from the MEC management platform; and/or determining, by the first MEC-CDN node, the second MEC-CDN node and/or the second MEC platform, according to a management strategy configured by a CDN node management platform where the first MEC-CDN node is located,