To provide a stroke check mirror for billiards for practicing the way of cuing a ball.

The mirror 20 is erected on a practicing table 30 by means of an erecting means 40 with the top side of the mirror 20 inclined backward, the tip end side of a cue 10 is supported by making a bridge by the nondominant hand on the practicing table 20 in front of the mirror 20, the shaft of the cue 10 is gripped by the dominant hand, and the cue 10 is moved in the front and rear direction. Further, the tip end of the cue 10 is passed through a hole 22 in the lower section of the mirror, and the cue is repeatedly pushed to pass through the mirror 20 from the front side to the rear side of the mirror 20 without colliding against the mirror 20. Thus, the practice of cuing with the cue 10 can be done.