Source: China Daily

Experts from Yunnan and Guizhou provinces started to compose China's first textbook series on the traditional medicines of the Yi ethnic group. Dating back some 5,000 years, Yi medicines involve more than 3,000 materials, 2,000 of which can be found in Yunnan, and includes 154 patented drugs. The textbook series will comprise 14 books and will be completed by 2018.