How to attach instructions to a patent? What are the requirements?

The attached drawings are used to express the contents of the invention or utility model more intuitively, and various drawing methods can be used to fully reflect the invention. Such as schematic diagrams, block diagrams, various views, partial sectional views, flow charts, etc. For an application for a patent for invention and all applications for a patent for utility model with drawings in the specification, the drawings shall be given in the specification. The specific requirements are as follows: (1) The title and content of the drawing should be briefly described according to the national standard of mechanical drawing; (2) If there are multiple drawings, all the drawings shall be numbered and explained in turn; (3) The description of the drawings does not need to include the names and details of specific parts in the drawings.