Internet of things education terminal and system and cloud

The invention discloses an Internet of things education terminal and system and a cloud. The system comprises a client which is used for finishing account registration, selecting multimedia content and purchasing a package, wherein the multimedia content comprises at least one audio and/or video; the cloud which is used for providing account registration service, multimedia content selection service and package purchasing service for the client, wherein the cloud is also used for sending a control signal to a swing machine terminal according to a first request which is sent by the client and comprises identification information of the swing machine terminal, after a user selects the multimedia content and purchases the package; and the swing machine terminal which is used for playing the multimedia content selected by the user according to the control signal of the cloud. Through application of the terminal, the system and the cloud, the user can purchase the package and select the multimedia content played b