The present invention pertains to the technical field of shields, and in particular, relates to a stage dedusting shield for a dust-free table saw, comprising: a shield assembly and a dust suction cover assembly; wherein the dust suction cover assembly is mounted between a follower board and a rear portion of a saw blade and is fixed by the follower board and a rear rocker arm. The dust suction cover assembly comprises a dust suction cover and a rear rocker arm sleeved onto the exterior of the dust suction cover, wherein the dust suction cover and the rear rocker arm are movably connected to a dust suction cover torsion spring via a dust suction cover rotary pin.