The invention provides a novel smart phone device including a device body and four electric connection base arranged on four end faces including a front end face, a rear end face, a left end face and a right end face of the device body. A pedestal is arranged below the device body. The device body is fixedly connected with the pedestal through a support rod. Each electric connection base is provided with a slide groove. An upper guiding and feeding groove and a lower guiding and feeding groove are arranged in an upper end wall and a lower end wall of each slide groove respectively, wherein an upper screw rod and a lower screw rod are mounted in the upper guiding and feeding groove and the lower guiding and feeding groove in a rotary manner. A slide block capable of sliding left and right laterally is mounted in each slide groove. An upper guiding and feeding block and a lower guiding and feeding block are arranged fixedly on the upper end and the lower end of each slide block. The upper guiding and feeding blocks and the lower guiding and feeding blocks are mounted in the upper guiding and feeding grooves and the lower guiding and feeding grooves respectively and are in fitted connection with the upper screw rods and the lower screw rods respectively. The right end faces of the upper guiding and feeding blocks and the lower guiding and feeding blocks are provided with contact pins.