To provide a stroke exercise machine for billiard by which a method of operating a cue for hitting a ball is exercised.

In the state of supporting the front end of a bar 12 substituted for a cue shaft on an auxiliary table 80 by forming a bridge of the non-dominant hand 100 and grasping a cylindrical body 22 engaged to the surrounding of the bar 12 with the dominant hand 110, the cylindrical body 22 is slid back and forth surrounding the bar 12 to exercise the stroke of the cue. In the case, the rear end of the bar 12 substituted for the cue shaft is supported by a support 30 through a joint 40 so as to avoid moving due to shaking to the right and left etc.