The invention relates to the technical field of
lung exercise, and discloses a
lung function exercise device for
cardiothoracic surgery, which comprises a mounting shell, one side of the mounting shell is provided with a connecting
pipe, one end of the connecting
pipe far away from the mounting shell is connected with a wearing
mask, one end of the connecting
pipe is provided with an exhaling exercise unit, and the other end of the connecting pipe is provided with an air outlet. An inspiration exercise unit is arranged at the other end of the connecting pipe, a one-way adjusting plate is arranged on the inner side of the connecting pipe, an inspiration resistance adjusting
assembly in the inspiration exercise unit can also adjust inspiration resistance, the
lung expansion capacity of a patient in the inspiration process is enhanced, and the one-way adjusting plate of the whole device ensures one-way circulation of gas; the air
backflow is effectively prevented, the continuity and effect of exercise are guaranteed, the comprehensive application of the functions is beneficial for gradually enhancing the
lung function of a patient during the
postoperative recovery period, the probability of occurrence of pulmonary complications is reduced, and the
recovery efficiency is improved.