Bicycle pedal with size convenient to adjust

The bicycle pedal with the size convenient to adjust comprises a collecting plate, a collecting groove is formed in the middle of the right side of the collecting plate, a shaft rod is fixedly arranged at the top end of the collecting plate, and a connecting shaft is movably arranged at the bottom end of the interior of the collecting groove. According to the utility model, the brackets are arranged in the grooves formed in the front side and the rear side of the foot plate; the two sides of the support are connected with sliding blocks installed in the sliding grooves. A support plate is mounted between the ends, far away from the groove, of the brackets; the elastic buckles mounted on one side of the sliding block at the right end are connected with the clamping grooves in an embedded manner; an ejector rod is mounted in the movable groove between the clamping groove and the right side of the foot plate through a telescopic spring; when the use area of the foot plate needs to be increased, the ejector rod i