The utility model discloses a mobile office platform, and the platform comprises a box body. The upper part of the box body is provided with a box cover, and the front part of the box body is provided with a box door. The box cover is in hinged connection with the box body. The box cover, the box body and the box door are respectively provided with a handle. The interior of the box body is divided by a partitioning plate into an upper cavity and a lower cavity. The interior of the upper cavity is provided with a printing device, and the lower part of the lower cavity is provided with a drawing plate. The drawing plate is provided with a controller, and is slidingly connected with the box body. The drawing plate is provided with a heat dissipation hole, and the rear part of the box body is provided with a small box door and an external interface. Sponge is disposed among all devices of the box body. The platform can be used for data filling, query, and other intranet work of a power transformation production administration network at an unmanned transformer substation, and can enable the daily work of operation maintenance to be completed on site, thereby effectively shortening the filling time in switching operation, defect treatment, work order, and operation order, and improving the work efficiency. Meanwhile, there is no need to arrange intranet computers and printers for all transformer stations, thereby saving the cost, and improving the service efficiency.