PURPOSE: To provide golf swing practice equipment with which an ideal body turn led by the under half body at the turning point from the back swing to the down swing is obtained preventing a hand shot from the top to make up a swing form in a higher level with increased head speed and improved shot control.

CONSTITUTION: This down swing start instruction equipment is composed of a flexible member 42 mounted on a part of clothes or a belt, etc., on the body of a player 18 to forcibly turn a part of the body slightly to the starting direction of down swing, and a driving device 44 to move the flexible member 42 slightly to the starting direction of down swing. The golf swing practice equipment 10 is composed of the down swing start instruction equipment, a detection means to detect the starting position of the down swing, and a controller to transmit a signal detected by the detection means to the down swing starting instruction equipment.