Under supervised by Prof. Hong-Bo Sun, Dr. Yun-Lu Sun reports his result of protein lens fabrication by femtosecond laser, which is highlighted in Laser & Optoelectronics Progress, 50, 040000 (2013). The publication of “Dynamically tunable protein microlenses” Angew. Chem. Int. Ed. 51, 1558 (2012) introduces the dicoveries in detail.