What conditions should be met in writing technical problems in an application for a patent for invention?

According to the contents of the book "Case Analysis of Writing Patent Application Documents for Invention and Utility Model" edited by Mr. Wu Guanle, the writing of technical problems in an application for a patent for invention should meet the following conditions:

1. The technical problems solved by the invention or utility model should be objectively and reliably reflected in positive and concise language as far as possible.

2. The subject name and invention type that reflect the technical scheme that the invention or utility model requires protection.

3 should reflect the technical problems to be solved, but shall not include the specific content of the technical scheme.

4. Don't use advertising language.

5. In addition to the technical problems to be solved in the independent claim, the technical problems to be further solved in the technical scheme of the dependent claim can also be stated, but these further solved technical problems should be related to the general inventive concept.