Mask for testing cardiopulmonary function

The utility model discloses a cardiopulmonary function testing mask which comprises a mask surface layer, a decorative layer, a silica gel layer, a binding piece and a cardiopulmonary function monitoring assembly, an air inlet is formed in the middle of the groove bottom of the mask surface layer, a first sleeving hole is formed in the middle of the groove bottom of the decorative layer, and a second sleeving hole is formed in the middle of the groove bottom of the silica gel layer. The rear end of the air inlet penetrates through the middle of the protruding portion, the protruding portion is sleeved with the first sleeving hole and the second sleeving hole in a sealed mode, the silica gel layer is located on the rear side of the decoration layer, an air outlet is formed in the lower end of the side wall of the silica gel layer groove, and a one-way valve is embedded in the air outlet. A plurality of hanging rings are arranged on the edge of the mask surface layer at intervals in the circumferential directio