Ancient prescription refers to the methods and techniques handed down from ancient times, which are more representative in medicine and food production. The word ancient prescription is widely used, and it can also be called ancient prescription as a conventional way among the people. The word ancient prescription has a long meaning and should not be used as a single owner such as a trademark. The ancient prescription refers to the prescription handed down from ancient times, as opposed to the prescription at that time. For example, the prescriptions listed in Treatise on Febrile Diseases and Synopsis of the Golden Chamber are all called ancient prescriptions. Also known as the classic prescription.