Abstract: A rocking machine has an outer casing, an upper seat, a motor, a hollow connector, a drive member, a right rocking member, and a left rocking member. The motor which is disposed in the outer casing has a shaft inserted in the hollow connector. The hollow connector has an upper rod. The drive member has an upper block, a lower oblong groove, and two lower oblong recesses. The right rocking member has an upper through aperture and a lower through aperture. The left rocking member has an upper through hole and a lower through hole. The upper rod is inserted in the lower oblong groove. The upper seat is disposed on the drive member. The right rocking member receives a right lower portion of the drive member. The left rocking member receives a left lower portion of the drive member. Four angle plates are fastened in the outer casing to position the right and the left rocking members pivotally.