Yangyeongsi People Co., Ltd. daegu's oriental medicine representative brand relating with company, government, institute have been developed various products to use material from king's best medicine kyungokko which was written by medical books 'Dongeuibogam'.

Specialities of Daegu Metropolitan cith which are investigated by Yangyeongsi preservation committee, R&D Special committee(11 people), Daegu Heaany University, representative who are producing Kyungokko produces through three generations and technique advisory committee (4 people), and Daegu Techno Park of Oriental medicine Support center produces foods, functional foods, medicines, tea, fermented foods. etc.