However, it is best not to apply for a patent for a family-handed prescription, because the content and preparation method of the prescription cannot be kept secret. Moreover, the patent is not easy to transfer at the time of application and after application, and it is not easy to produce it by itself. It must be produced by a pharmaceutical production enterprise, and it also needs the approval of the drug supervision department for production and sales. This process ranges from millions to tens of millions. Think about it!