The invention discloses a die for producing a damping sole provided with a sole, an insole, a damping heel, and an elastic column which are provided with a spring for damping, and a production method thereof. The die is characterized in that the inside of a cavity body of the die is provided with an iron column body; the spring is sleeved on the iron column body; the iron column body takes the shape of a cylinder, a triangular prism or a tetragonal prism, and is convex; and one end of the iron column body is fixed at the bottom of the die, and the other end of the iron column body is positioned on or below the top of the die. The production method is to place the custom spring into the column body for fixing the spring in the die after the die is opened, and the column body is sleeved by the spring; the die is closed again, and shoe materials are injected into the die according to normal operation; after the shoe materials are cooled, the die is opened and the formed sole, insole, heel and elastic column are taken out, and the process is ended after leftover materials are trimmed. The die has the advantage of capability of firmly and easily applying the spring to the sole, the insole, the heel and the elastic column with low cost.