Maoquan Li, male, from Hefei, Anhui province, born in November, 1976, CPC member, doctor. Vicedirector of Collaborative Innovation Center of Sichuan for Elderly Care and Health, 11th batch of technology leaders backup of Sichuan Health and Family Planning Commission, research backbone of Sichuan provincial universities innovation team and youth scientific-technological innovation team. In recent five years, published nine academic papers as the first author (including corresponding author, common first author), including four papers in Chinese core journals of and three in SCI. Responsible for one state-level scientific research subject, two department-level scientific subjects.