The utility model discloses an anti-misoperation protective cover of a JL1-2.5CE type protection press plate. The anti-misoperation protective cover includes a door type cover body; the upper surface of the door edge of the door type cover body is provided with a warning character layer; magnets are embedded in the lower surfaces of two door posts of the door type cover body; four types of door type cover bodies may be adopted, wherein one type of door type cover body is made of a transparent plastic material, the other three types of door type cover bodies are red, green and blue respectively, wherein the door type cover bodies in different colors are respectively made of materials in different colors, or the door type cover bodies in different colors are made of the same material, the surfaces of the door type cover bodies in different colors which are made of the same material being provided with different color layers; and the door type cover body is made of an insulating material. According to the anti-misoperation protective cover of the utility model, a plurality of colors are adopted, and each color represents a protection state under a particular state, and therefore, a user can understand the protection states at a glance, and misoperation of operating personnel can be effectively prevented, and accidents can be reduced, and personal safety can be protected.