The invention relates to a roller-skating vehicle with foldable pedals, which belongs to the field of sports equipment. The roller-skating vehicle with the foldable pedals comprises two pedals, wherein a front guide wheel and a rear driving wheel are connected under each pedal; a connecting rod is connected between the front ends of the two pedals; the front guide wheels and the rear driving wheels are both hinged with the pedals; two ends of the connecting rod are connected to wheel carriers of the front guide wheels; each pedal has a separated structure and is divided into a front plate and a rear plate; the front plates and the rear plates can rotate around rotating shafts; convex columns are respectively fixed on the two sides of hinges on the bottom surfaces of both the front plates and the rear plates; a connecting sheet is clamped on the two convex columns for fixing; the connecting sheet can be taken off from one convex columns; the connecting rod comprises a left rod and a right rod; and the length of the connecting rod can be adjusted through a nut or a connecting sleeve. Therefore, the roller-skating vehicle with foldable pedals provided by the invention can be used for people with different ages to skate and can be folded and retracted to be convenient to carry.