1, class: Teacher Mei Yongfeng is humorous in class and can provoke students to ask questions actively.

2. Academic aspect: Teacher Mei Yongfeng's research fields involve micro-nano mechanics, nano-optics, nano-electronics, micro-nano robotics, micro-nano fluids, micro-energy storage, surface plasmon and metamaterial research. Dr. Mei Yongfeng has been engaged in nanotechnology research for a long time. In his early days, he mainly engaged in materials science research in nanotechnology, fully applied nanotechnology to micro-nano devices, and mainly engaged in self-assembly process, performance exploration and device prototype research of free radical nano-films.