How to determine the type of patent application?

Protect its improved products, methods or new technical solutions, and apply for invention patents;

Protect the shape and structure of the product or the new technical scheme put forward by combining them, and apply for a patent for utility model;

Protect the shape, pattern or their combination of products, as well as the new design with aesthetic feeling and suitable for industrial application made by combining color with shape and pattern, and apply for a patent for design.