PURPOSE: A ball collecting system is provided to improve collecting efficiency of hit balls by guiding the balls to the center of lawn. CONSTITUTION: A ball collecting system comprises: a strike unit; a supporting frame part(120) in which an outlet for discharging balls is formed in the center of the rear end thereof; a moving frame part(130) which is hinge-coupled with a shaft frame; a guide frame part(140) which slopes toward the outlet; a plurality of support stands(150) formed inside the moving frame part; a square drag net(160) which is united with the edge of the moving frame part; and a driving part which is formed in order to lift the moving frame part to the top.