The invention relates to a napkin counting device of a napkin machine. The device comprises a bracket, and further comprises a wind suction conveying belt, a napkin counting blind wheel (2) and a napkin discharge mechanism (3); the napkin counting blind wheel (2) comprises a wheel body (21) and multiple blades (22) arranged on the wheel body (21); the wheel body (21) is rotationally connected with a bracket; the wind suction conveying belt is arranged on a paper feeding side of the napkin counting blind wheel (2), and is near the napkin counting blind wheel (2); the napkin discharge mechanism (3) comprises a napkin poking mechanism and a paper discharge conveying belt (33); and the paper poking mechanism (3) is arranged below a paper discharge side of the napkin counting blind wheel (2). Compared with the prior art, the napkin counting device of the napkin machine has such advantages as simple structure, precise napkin counting and wide application range, and can automatically perform the split counting for napkins.