Provided is a curling device. The curling device solves the technical problem that when an existing curling device is used to perm hair to form a waved hair style, the hair needs to be wound on curling pipes and operation is troublesome. The curling device comprises a handle, at least two curling pipes, heating assemblies which are identical with the curling pipes in number, a connecting piece, a hair clamp and a torsion spring, wherein the connecting piece is fixedly connected with the handle, the curling pipes are fixedly connected with the connecting piece, separation distance exists between every two curling pipes, and the hair clamp is connected with the connecting piece in hinged mode. The hair clamp is provided with peak portions and hollow portions, the number of the peak portions is identical with that of the curling pipes, the peak portions are provided with positions capable of covering the curling pipes, and the hollow portions are arranged between every two peak portions and provided with positions arranged between the two curling pipes. One heating assembly is arranged inside each curling pipe, and the heating assemblies are connected in parallel. Two ends of the torsion spring are respectively abutted against the hair clamp and the connecting piece.