Abstract: An improved structure of a frame of a golf trolley is comprised of a retainer, two tubes and a flexible fork; a fixation hole being each provided at the lower edge of the tube; each tube containing an inner tube; a through hole being each provided at the upper edge of the inner tube; a pin being inserted through both of the fixation hole and the through hole to connect the inner tube to the lower edge of the tube; or with the pin removed, the fork being folded in by a hinge provided at the middle section of the fork, and the inner tube being inserted into its respective tube for saving space for storage or packaging purpose.