Abstract:In the light of biopharmacy ,the present new technology to extract oral preparations of Chimese tradi-tional medicinal by semi-bionic method was designed. In the technological process ,the prescribed drugs were decoctedand extracted first in an acid solution with a certain value and then in an alkaline solution with ther pH value. After-wards , the extraers were fihered ,concentrated ,dried and made into preparation. The theoretical basis of this technologywas analyed and the concrete procedures were introduced ,with Shaaogan Zhitong Pill as an example.