The invention relates to a lead suit protection cabin. The lead suit protection cabin comprises a head frame, an upper supporting body, a lower supporting body, an angle ring, air springs and universal wheels; a vent hole spring upper cover is fixedly arranged at the top of the head frame, mask supports are arranged on the left side and the right side of the head frame, and a mask is arranged on the mask supports; the head frame is connected with the upper supporting body, an upper supporting body rotating rod is arranged on the left shoulder portion of the upper supporting body, left and right supporting rods are connected with the angle ring, the two ends of the angle ring are connected with sliding blocks, the sliding blocks are designed to slide up and down along linear guide rails, and the top ends of the linear guide rails are connected through a lower supporting body rotating rod; the angle ring is connected with vertical rods through tension springs; the height of the angle ring is adjusted through the air springs, and the position of the angle ring is fixed through an air spring top controllable switch; a base ring is arranged below the angle ring in parallel and supportedthrough lower supporting rods, cross arms are connected with the lower parts of the lower supporting rods, and the universal wheels are arranged at the bottoms of the cross arms. The lead suit protection cabin has the advantages of being safe, light, convenient to put on and take off, and flexible in walking.