The invention provides a curling comb with easy-to-use and cleaning functions and a use method of the curling comb, and belongs to the field of hairdressing tools. The problem that the existing curling comb is very troublesome to clean curled hair is solved. The curling comb with easy-to-use and cleaning functions comprises a comb handle, a comb shaft with a hollow structure and comb teeth, also comprises a first knife hiding hole and a second knife hiding hole formed in the comb shaft, and also comprises a first hair cutting knife and a second hair cutting knife, wherein the first hair cutting knife is movably hinged in the first knife hiding hole through a first hinge shaft, and the second hair cutting knife is movably hinged in the second knife hiding hole through a second hinge shaft. The curling comb also comprises a movable rod arranged in the comb shaft, wherein blades are respectively arranged on the long edges of the outer sides of the first hair cutting knife and the second hair cutting knife, and the first hair cutting knife and the second hair cutting knife are respectively arranged in the first knife hiding hole and the second knife hiding hole in a whole way; a first rabbet and a second rabbet are respectively formed in the wall of the movable rod, and a first torsion spring is arranged between the first hair cutting knife and the first knife hiding hole; a second torsion spring is arranged between the second cutting knife and the second knife hiding hole. The curling comb has the advantage of safely and efficiently cutting own curled hair.