To provide a golf bag enclosing an iron head inside preventing the mutual collision of iron heads to prevent the damage of golf clubs and to extend the service life while preventing noise and positioning the center of gravity of the golf bag at the bottom part so as to be stably handled.

Each iron storage part is formed by dividing the inside of a golf bag body extending from an upper base to a lower base by providing a plurality of lateral partition walls and a longitudinal partition wall to intersect inside the golf bag body. A wood storage part and a putter storage part are separately formed divided in front and in the rear of the iron storage parts so that many kinds of golf clubs can be separately enclosed, and the iron head is kept within the lower base located at the bottom part of the golf bag body.