An infant rocking device includes a support base, a seat body, a drive mechanism, and a connecting mechanism, where the connecting mechanism is arranged between the seat body and the support base and configured to limit a movement trajectory of the seat body, the drive mechanism is arranged on the support base, and the seat body is configured to be driven by the drive mechanism to perform circular motion relative to the support base on a vertical plane or an inclined plane. The infant rocking device provided by the present disclosure has a large movement trajectory, a simple structure, low production costs, and provides better entertainment and user experience.