Abstract: The present disclosure provides a data transmission system a method, a service system, a device, and a storage medium. The system comprises: a user terminal provided for generating, in response to an input operation of a user, a virtual network console VNC operation instruction, and sending the VNC operation instruction to a data processor DPU; the DPU, hard-wired with a server and configured with a virtual display device and a virtual input device, provided for simulating, through the virtual input device, an input operation indicated by the VNC operation instruction, and transmitting generated input operation signals to the server; the server provided for, in response to the input operation signals, generating display data after receiving the input operation signals, and transmitting the display data to the DPU.