The invention discloses a rocking chair. The rocking chair comprises a supporting frame and a seat frame arranged on the supporting frame and provided with a seat, wherein a mounting shell is arranged on the supporting frame, a driving motor is further arranged in the mounting shell, a rotating part is fixedly connected to an output shaft of the driving motor, a driving part is pivoted to the rotating part, the pivoting point of the driving part and the rotating part deviates from the rotating axis of the rotating part, a swing part is pivoted to the other end of the driving part, a swing part pivoting part is arranged on the mounting shell, the other end of the swing part is pivoted to the swing part pivoting part, a rotating shaft which rotates along with the swing of the swing part and also serves as a supporting part is further connected to the other end of the swing part, and the rotating shaft is fixedly connected with the approximately center of gravity of the seat frame. The device is simple in structure, and is safe and reliable.