The invention relates to a pair of balance shoes with an inbuilt spring, comprising the upper of a shoe, a PU outsole and an elastic outsole, wherein the upper of a shoe forms a main body of the shoe surface, the PU outsole performs the supporting action on the upper of the shoe, and the elastic outsole is arranged on the bottom of the shoe; the PU outsole and the elastic outsole are combined in the front part in the rotating mode, the rear part between the PU outsole and the elastic outsole is provided with a middle bin performing the buffering action; the middle bin and the rear part of the PU outsole connected with the middle bin are respectively provided pores, pores on two parts are communicated to form a spring slot, and a coil-shaped spring is inserted into the spring slot from top to bottom. The spring can be inserted into the spring slot to finish installation by that a TPU lower cover, a TPU upper cover and a spring fix the upper end of the spring, wherein the TPU lower cover is fixed on the PU outsole, the TPU upper cover is combined on the TPU lower cover in a dismountable mode, so that the spring can be simply and stably combined between the PU outsole and the elastic outsole, the spring can be taken out along with the TPU upper cover, and consumers can replace or maintain the spring by self.