The invention discloses an anti-drop vertical monkey machine which comprises a bottom plate, wherein an inflation switch, a brake switch and an exhaust switch are sequentially and fixedly arranged infront of the top of the bottom plate from left to right; vertical plates are fixedly connected to two sides in the rear of the top of the bottom plate; a box is fixedly arranged below the two verticalplates; the bottom of the box is fixedly connected with the top of the bottom plate; the upper side, far away from one side of the box, of the vertical plates is fixedly connected with a connecting rod; a sliding bar is fixedly connected to the front of the bottom of the connecting rod. When the vertical monkey machine is used, due to matched use of the bottom plate, the box as well as the sliding bar, a wire spooler, a brushing wheel, an inflation box, a vertical rod, a round plate, a wooden block, a fixing rack, a spring, a pressing plate and an inflatable cushion, the effect of well fixingjeans can be well achieved when the vertical monkey machine is used, so that the jeans are prevented from dropping from the monkey machine. Therefore, the product quality is ensured, the working efficiency is improved, and unnecessary trouble brought to an operator is avoided.