Male Hui 1959 was born in Guyuan City, Ningxia Hui Autonomous Region, and now he is a professor and doctoral supervisor of Shaanxi Normal University. 1982 graduated from the biology department of Lanzhou University with a bachelor of science degree, and was assigned to teach at Northwest University in the same year. 1984 to 1987 studied for a master's degree in the biology department of northwest university and obtained a master's degree in science; 1993- 1996, Ph.D. student, Department of Biology, Northwest University, with a doctorate in science; 1993 was promoted to associate professor, 1998 professor, doctoral supervisor in 2000, and began to teach in the School of Life Sciences of Shaanxi Normal University in 2002. At present, he is the deputy director of the Key Laboratory of Medicinal Plant Resources and Natural Medicinal Chemistry of the Ministry of Education, a member of the "Giant Panda Protection and Management Advisory Committee" of the Protection Department of the State Forestry Administration, a member of the "Local Nature Reserve Evaluation Expert Committee" of Shaanxi Province, a member of the "Giant Panda Protection and Management Advisory Committee" of Shaanxi Province, an executive director of Shaanxi Botanical Society, a director of Shaanxi Environmental Society, and an editorial board member of Journal of Shaanxi Normal University (Natural Science Edition). Professor Ren Yi has been engaged in teaching and scientific research in botany, systematic and evolutionary botany, conservation biology of rare and endangered plants, Qinling flora and plants in the habitat of giant pandas for more than 20 years. In teaching, courses such as Medicinal Plant Taxonomy, Phytochemical Taxonomy, and General Latin have been offered for undergraduates, and they have also guided production practice and graduation thesis. Courses such as systematic and evolutionary botany, special topics of systematic and evolutionary botany, Latin botany, plant molecular systematics and plant developmental biology were offered for master students. In the guidance of graduate students, 1 graduate doctoral students and 9 graduate master students have been instructed. In terms of scientific research, he has successively presided over two projects of the National Natural Science Foundation, namely "Study on Reproductive Biology and Genetic Diversity in Endangered Causes of Monoptera" and "Study on Developmental Morphology of Ranunculaceae (in a Broad Sense) in China", comprehensively inspected Taibai National Nature Reserve, Evergreen National Nature Reserve and Foping National Nature Reserve, and cooperated with Memphis Zoo in the United States to "Study on Classification and Distribution of Bamboo, the staple food of giant pandas in Qinling Mountains". He has worked in such publications as Plant Systematics and Evolution, Journal of Botany of Linnaeus Society, Israeli Journal of Plant Science, Novon, Journal of Botany, etc. He has published more than 60 papers in domestic and foreign academic journals such as Journal of Plant Taxonomy, edited 2 monographs and co-authored 3 monographs. Won 2 prizes for scientific and technological progress in Shaanxi Province and 5 prizes for scientific and technological achievements at bureau level.