Device for exercising vital capacity

The utility model relates to the technical field of medical equipment, in particular to a device for exercising vital capacity, which comprises a disc, a sliding chute, an angle display area, a movable sliding chute and a swing ball, the disc can move up and down on the sliding chute, the angle display area and the movable sliding chute are arranged on the front surface of the disc, and the swing ball is fixed in front of the disc through a swing rod. When the vital capacity training device is used for vital capacity training, direct observation can be achieved by blowing the swing ball according to the swing amplitude of the swing ball, the disc can move up and down according to the height of a user, the flexibility is high, the detachable baffle can adjust the distance between the body and the swing ball, long-term training and observation can be conveniently conducted, the effect is visual, and the vital capacity training device is small in size and convenient to use. The vital capacity exercise device doe