Abstract: The small incision lenticule extraction (SMILE) with femtosecond laser involves creating an intrastromal lenticule by scanning at two different depth in the corneal stroma and making sidecut incisions, followed by separation and complete removal of the lenticule from the small incision. This technique revolutionizes the traditional refractive surgery to achieve "allinone", with better security, effectiveness, predictability and stability. It has a good prospect in application but its longterm efficacy needs more samples to be further investigated.