The utility model discloses a multi -functional electronic car of running, include: wheel and rear wheel before frame, its front and back end are provided with respectively, the frame middle part transversely is provided with rotatable preceding main shaft and rear spindle respectively, the area of running, its transmissive ground tensioning is in around the dress on preceding main shaft and the rear spindle, back roller bearing, its parallel arrangement is in the rear spindle back lower place, the both ends of back roller bearing are provided with hobbing machine behind first back hobbing machine and the second respectively, driven gear, it sets up rear spindle one end, driven gear with correspond the hobbing machine meshing of first back, the motor, it is installed the rear spindle rearon the frame, first flywheel, its coaxial setting is in shaft one side of rear wheel, first flywheel with motor output shaft links through the initiative chain, second flywheel, its coaxial setting isin the shaft opposite side of rear wheel, second flywheel with the hobbing machine passes through the drive chain interlinkage behind the second. Originally, the car of running there is the double -power source.