Swing device for toy

The utility model discloses a swing device for a toy. A power device is positioned between a front and a back bodies of a doll body. The lower sides of both sides are respectively connected with an upper shaft parts of leg parts, and lower shaft parts of the leg parts are movably connected with shaft parts of foot bases. A power gear arranged at the end of a power device is engaged on a rack rail arranged at the inner side of a tooth part of a swing base and two leg parts, a rotary shaft part of the swing base is connected with the shaft part of a base body, and a prothorax cover and a back cover are fixed on a fixed column of the swing base. The swing of the doll body is fine by the utility model, and the swing characteristics of the doll with different limb proportion can be relevantly represented. The swing device for the toy also has the advantages of an original bill.