Folded skateboard bicycle

The utility model discloses a folded skateboard bicycle. An existing bicycle is large in size and single in mode. The front end of a skateboard in the folded skateboard bicycle is fixedly provided with a folded rod positioning plate. The bottom of a folded rod is hinged to the folded rod positioning plate. The middle of the folded rod and the folded rod positioning plate are fixed through a bolt. The top of the folded rod is hinged to a front wheel installation rod. The bottom of the front wheel installation rod is hinged to a front wheel. The rear of the skateboard is detachably connected with the bottom of a rear rod loop bar which is hinged to a bicycle seat supporting rod. A bicycle seat is fixed to the bicycle seat supporting rod which is hinged to a rear rod connection rod through a bicycle seat pulling rod. The rear rod is hinged to a front rod through a horizontal rod. The bottom of the skateboard is fixedly provided with a skateboard supporting rod. The skateboard supporting rod and a chain wheel case are hinged to a rear wheel. The bottom of the chain wheel case is fixedly provided with a chain wheel case positioning plate. The chain wheel case positioning plate and the skateboard supporting rod are fixed through a plug. The top of the chain wheel case is hinged to pedals. The folded skateboard bicycle can serve as a bicycle and also serve as the skateboard and be folded and is large in folding ratio.