**Meet the editor**

Xing-Tai Li was admitted to Peking University School of Pharmacy (pharmaceutics major) in 1996 and later transferred to Beijing University of Chinese Medicine, and from there, he received his PhD degree in basis of integrated Chinese and Western medicine-Biochemistry in 1999. He worked for 16 years as an associate professor in the College of Life Science, Dalian Nationalities

University. His research interests include investigation on nature of Qi, the mechanism of Qi invigoration in TCM from mitochondrial bioenergetics perspective, and Qi-invigorating therapy for the prevention and treatment of mitochondrial diseases. He proposed a scientific hypothesis that Qi in TCM is bioenergy and demonstrated that the mechanism of Qi-invigorating action was implemented by improving mitochondrial energy metabolism.
