The claims shall be supported by the description and shall state the extent of the patent protection asked for. The mode of carrying out the patent is a necessary part of the description of a patent. The exploit examples is a state to the mode of carrying out the patent. It is not a necessary part of description. If the technical features of claims which originates exploit examples is opened in the outline of the technical solution of description, it not supported by the description. It cannot be force protected. The written ruled of exploit examples is that the state of exploit examples is same to the outline of the technical solution, and must detailed interpreted the technical feature of the claims, so as to support the claims.