A golf ball for the putting practice is provided, which enhances accuracy of putting and enables to easily modify posture and putting angle of a golfer in putting. A golf ball for the putting practice comprises: a center-pin(110) protruded from both sides of the golf ball along the arbitrary straight line passing through the center of the golf ball(100); a collimation indicator(120) which is positioned on the line vertically dividing the center-pin; and a line-of-sight(130) formed in the outer side of the collimation indicator in the surface of golf ball along the straight line passing through the center of the golf ball and vertically dividing the center-pin.
