The utility model discloses an advertisement playing
system based on a mobile power supply, which relates to the mobile power supply and comprises the mobile power supply and mobile power supply leasing equipment communicated with a
server. The mobile power supply comprises a shell, a main control board and a display screen, the main control board is arranged in the shell, the main control board is a control board with a data caching or storing function, and the display screen is connected with the main control board and is exposed out of the shell; a main
control unit, a cabinet storage unit, a
wireless communication unit II and a
data transmission unit I are arranged in the mobile power supply leasing equipment; the mobile power supply leasing equipment performs communication transmission with the
server through a
wireless communication unit II, and downloads and receives image and / or video data on the
server; and the mobile power supply leasing equipment downloads and receives the image and / or video data and then stores the image and / or video data through the cabinet storage unit. According to the utility model, not only can pre-stored information be played, but also real-
time information can be played, so that more choices are provided for a user, and the use impression of the user is improved.