Lung function exercise mechanism

The utility model discloses a lung function exercise mechanism which comprises a cylinder body, an air blowing pipe is fixedly connected to the outer side of the cylinder body and communicated with the cylinder body, an air outlet is formed in the top of the cylinder body, a rotating shaft is rotationally connected into the cylinder body, a plurality of fan blades are fixedly connected to the outer side of the rotating shaft, the two ends of the rotating shaft penetrate through the cylinder body, and the two ends of the rotating shaft penetrate through the cylinder body. The outer side of the rotating shaft is sleeved with two wire rollers, the wire rollers are symmetrically distributed outside the barrel body, the outer sides of the two wire rollers are both wound with steel wire ropes, and two sliding grooves are formed in the outer side of the barrel body. The pressure of the exercise instrument for exercising the lungs can be increased, the exercise instrument does not need to be replaced, the use effect