The invention discloses an occupational disease respiratory function rehabilitation training device which comprises a device body. The device body comprises an air blowing mechanism, a linkage mechanism and a marking mechanism. A linkage mechanism comprising a sliding groove plate, a connecting rod, a driving gear, a transmission gear and a rack plate is arranged, and a marking mechanism comprising a mounting plate, an upper limiting plate, a supporting spring, a marking plate, a scale plate and a lower limiting plate is arranged; visualization and quantification of respiratory training are realized, and the scientificity and training effect of training are improved; by arranging a clamping frame, a fixing column, a horizontal sliding groove, a reset spring, a vertical rod, a holding rod and a holding frame, the device can conveniently return to the initial state, and next training is facilitated; through the arrangement of the hook and the balance weight disc, the training difficultyis conveniently adjusted, training of different crowds and different training stages is facilitated, and good adaptability is achieved.