When applying for a patent, you must prepare all relevant materials. The process of patent application is generally application → examination → approval → obtaining quasi-patent.
Utility model refers to a new practical technical scheme for the shape, structure or combination of products.
Appearance design refers to a new design with aesthetic feeling and suitable for industrial application based on the shape, pattern or combination of products and the combination of colors, shapes and patterns. For example, a teapot with a new shape can apply for a design patent.