Provided is a preparation method for herbal medicine, comprising the following steps: mixing one or more lipid components and/or with any one or more of the following: nucleic acid, compounds, and macromolecules； and performing heat treatment on the obtained mixture. Also provided is a method for extracting medicinal soup from plants, comprising the following steps: using a solvent to prepare extract solution of a plant； performing differential centrifugation of the extract solution； and using an aqueous solution to re-suspend the precipitate to provide the medicinal soup.
