2. As you said, according to the diagnosis and treatment of diseases in Paragraph 1, Item 3 of Article 25 of the Patent Law, the diagnosis and treatment of psoriasis do not enjoy the patent. If you apply for a patent, as long as the application documents meet the requirements, China National Intellectual Property Administration will accept it, but it will certainly not authorize it. It is recommended that you apply for a patent for the medicine or treatment equipment in this diagnosis and treatment plan.