The appearance design is also called "industrial design", which is the design of the appearance of the product. The design includes shapes, patterns, colors or combinations, etc. It does not include its construction methods or principles as well as achieving the appearance or shape for the main purpose of the product function. The so-called products are all things made by hand. But, for the patent of appearance design, its appearance design "is suitable for industrial application", which means that adopted the appearance design of product should be able to and form the mass production in industry. If the production cannot be copied in batches, it cannot be applied for patent without industrial practicability.