The utility model discloses an interchangeable is with formula high -heeled shoes convenient to assembly, including sole, heel sole and heel between be equipped with and take off with interfacing apparatus, take off and include joint structure, elastic ejector rods and depression bar structure with interfacing apparatus, fixed elastic ejector rods's recess groove opening position is provided withthe fixed block, the at least more than one side of fixed block is provided with the arch. The fixed block is the intensity that is used for improving elastic ejector rods and heel contact surface, sets up the through -hole on the fixed block, and manufacturing is just easy, and the quality is light. Be provided with the arch on the fixed block, help the fixed block firmly fixed with the heel, prevent expend with heat and contract with cold to and under the effect of elastic ejector rods spring force, the fixed block drops.