1 to support the golf bag at a predetermined angle this support member 9 relates to a stand device 15 wherein the support member 9 is folded when the lower body 5 of the golf bag is off the ground but the same is unfolded when on the ground the stand device 15 comprises an elastic link member 11 either connected to the hinge member 7 or to the support member 9 respectively or to a coupling portion of the two members and a pressing member 19 for pushing up the elastic link member 11 to unfold the support member 9 the elastic link member 11 when the lower body is off the ground forces the hinged member 7 back to an initial position by a self elastic force thereof whereby the support member 9 is folded the lower body 5 has a slanted portion 23 wherethrough the pressing member 19 can push up the elastic member 11 when the lower body 5 contacts the ground the slanted portion comprises a pressing member 19 detachably connected thereto and an allowance space 17 wherein the pressing member 19 can move a predetermined distance when the slanted portion 23 is on or off the ground surface the elastic link member 11 is provided with a guide to enable the elastic link members 11 to be arranged in order to make a shortest possible linear movement when the pressing member 19 is in or out of contact with the ground surface the guide means comprises a guide member 25 whereinto the elastic link member 11 of a predetermined length is inserted the guide member 25 making it possible for the elastic link member 11.