Research Center of Engineering Technology of TCM Highly-efficient Drug Delivery System of Jiangsu Province was established in 2011 upon the approval of the Department of Science and Technology of Jiangsu Province. Research directions: (1) key technology of highly-efficient oral preparations of Chinese Materia Medica; (2) the target drug delivery system of functional components of Chinese Materia Medica ; (3) key technology of highly-efficient external preparations of Chinese Materia Medica.