The present invention relates to a spring end supporting component which is used for supporting the end part of outer spring and the end part of inner spring. The inner spring is installed at the inner part of outer spring. The spring end supporting component is provided with a hollow cylindrical receiving object. The end of outer spring is sleeved on the hollow cylindrical receiving object, wherein, the inner spring and the outer spring are respectively constructed to a spiral spring with a plurality of spring coils. The invention is characterized in that the end of inner spring is kept in the hollow cylindrical receiving object with a loose-prevention mode.