As far as AB is concerned, the protection scope of the patent right of design is subject to the design of the product shown in the picture or photo, and the design of the product shown in the picture or photo can be explained by a brief description, so the role of the picture or photo of the design has a basic role in determining its patent protection scope. As a specific product design, its invention has not been clearly and completely disclosed only through pictures, and the name and purpose of the product need to be stated in a brief description. In item C, the protection scope of utility model patent is determined according to the claim, not according to the picture or photograph. Item D, the application documents for the invention patent include the patent application request, specification, patent claim, appended drawings and abstract. Item E, the attached drawings are an indispensable part of the utility model patent application documents, because the object of protection of the utility model is the new practical technical scheme proposed by the shape and structure of the product or its combination, and the description of the shape and structure of the product can be clearly expressed with the help of the attached drawings.