Is the invention purpose of the invention patent the same as that of the prior art?

That's not true. I'll teach you how to write directly. How to write the content of the invention: the content of the invention is divided into two parts, the purpose of the invention, the technical scheme and the beneficial effects. First of all, you should aim at the shortcomings of the existing technology mentioned in the background and put forward the purpose of invention (utility model). "The purpose of the present invention (utility model) is to provide a ZZ that has XX function or can solve YY technology." Then write out the technical scheme and beneficial effects according to your opinion. Generally, this writing method is adopted: copy and paste the claim, and then change the format of the claim, changing "XX according to claim X" to "in some embodiments" and "characterized by" to "among them", and pay attention to removing all the words "described" appearing in the claim. Then write the beneficial effect after each claim, and adopt "its beneficial effect is ……". This is the completion of the present invention. As for the specific implementation mode, the specific implementation mode is the most critical and the key part of the specification. The purpose is to provide full explanation and support for the technical scheme summarized in the claims. Therefore, the expression should not be the same as that in the claims, but should be described in detail as much as possible, including the structure and function realization of each component, as well as the overall description, such as the position relationship and connection relationship of each component. Therefore, the specific implementation method is not written in a very formal way. Write in detail according to the actual situation of your invention (utility model). As long as the product logic is clear and orderly, it is easy to read and understand. The principle is that technicians in the technical field can produce products according to this description without extra creative work. Of course, in the specific implementation, vague words such as "possible" and "or" can be used, and it is not necessary to be "sure" as in the claims.