Disclosed is a casting mould (10), comprising an inner mould (11), an outer mould (12), a heat insulating material layer (13), a fixed plate (14) and an eject lever (15), wherein the inner mould comprises a first housing (122) and a cooling element (124) which is arranged on the first housing, the first housing is provided with a first side wall (1222) and a second side wall (1224) which is opposite to the first side wall, the heat insulating material layer is arranged on the first side wall of the first housing, and the outer mould is located outside the second side wall and is spaced apart from the second side wall, so that a casting cavity (16) is formed between the outer mould and the inner mould; the outer mould comprises a second housing (112) and a heating element (114) which is located in the second housing; the fixed plate is located at one end of each of the inner mould and the outer mould; and the eject lever is arranged on the inner mould. The casting mould can improve the casting quality and facilitate the demoulding of products.