How to write the patent specification for invention or utility model?

The description shall give a clear and complete description of the invention, which shall be subject to the realization of the technical personnel in the technical field; When necessary, drawings shall be attached; The description shall specify the name of the invention or utility model, which shall be consistent with the name of the request; The description shall include the following contents: 1) technical field: specify the technical field to which the technical scheme to be protected belongs; (2) Background technology: stating the background technology that is helpful for understanding, searching and examining the invention or utility model; If possible, and cite documents reflecting the background technology; 3) Content of the invention: specify the technical problems to be solved by the invention or utility model and the technical scheme adopted to solve the technical problems, and specify the beneficial effects of the invention or utility model relative to the existing technology; 4) Description of drawings: If there are drawings in the manual, briefly describe the manual; 5) Specific mode: explain in detail the preferred mode of realizing the invention or utility model that the applicant thinks; It is necessary to give examples; If there are drawings, refer to the drawings. An inventor or utility model shall write a description in the manner and order specified above, and write the title at the front of each part of the description, unless the nature of the invention or utility model can be written in other ways or order, so as to save the length of the description and enable others to accurately understand the invention or utility model. In addition, the description of the invention or utility model should be standardized in terms and clear in sentences, and quotations such as "as stated in the claims" or commercial propaganda terms should not be used.