Chinese Medicinal Materials Industry Technical System Post Scientist, Chao Zhimao researcher, Professor, Institute of Chinese Medicine, Chinese Academy of Traditional Chinese Medicine, former Deputy Inspector of Hunan Women's Federation, Tang Meng, former deputy secretary of the party group and Deputy Director of the Hunan Bureau of Agricultural Reclamation, li Zhihong, founder of the Hunan Green Food Office, and Xu Jiaofan, deputy head of the Pingjiang County Government of the People's Republic of China, came to investigate.