The embodiment of the invention provides electronic equipment and an audio playing system, relating to the technical field of computers. The electronic equipment comprises a radio receiving module, anequipment host and a terminal security module, wherein the equipment host is connected with the radio receiving module and the terminal security module respectively; the terminal security module is used to perform security protection on systems, application software and data of the equipment host; the radio receiving module is used to receive a radio signal, pre-process the radio signal to obtaina first audio digital signal, and perform digital signal processing on the first audio digital signal to obtain a second audio digital signal; and the equipment host is used to transmit the second audio digital signal to a buffer area through virtual audio line software, and a processor and a sound card of the equipment host demodulate the second audio digital signal in the buffer area to obtainoriginal audio information transmitted by the radio signal. The electronic equipment can quickly process the radio signal.