Automatic waist adjusting traction device

The utility model discloses an automatic waist adjusting traction device which comprises an outer-layer waistband, the front face of the left side of the outer-layer waistband is fixedly connected with a son face sticker, the outer portion of the right side of the outer-layer waistband is fixedly connected with a mother face sticker, the son face sticker and the mother face sticker can be bonded, and the outer-layer waistband is of an annular structure after the son face sticker and the mother face sticker are bonded. The inflatable core is arranged in the outer-layer outer belt; the air delivery pipe is fixedly installed on the inner wall of the left side of the inflation core. According to the automatic waist adjusting traction device, after the outer-layer belt is placed on the waist, the outer-layer belt is fixed through the child-mother face of the hook-and-loop fastener, the rubber inflation ball is held by hand to be repeatedly squeezed, air is input into the inflation core from the air conveying pipe,