To provide a ball game bat capable of reducing management burden and equipment burden of facilities by reducing an occurrence of a fly ball flying high and securing a long carry for a liner-like batted ball.

This ball game bat is provided with a repulsion member 10 having a bristle part 11c formed with multiple elastic bristles, the bristle member 10 is aligned on a ball hitting part C of a core material 2, which is disposed in an axial center and formed of a pipe material, with the bristle part 11c facing outside, and the bristle part 11c of the repulsion member 10 is covered with a cylindrical member 13 having flexibility.