With the maturity of femtosecond lasers,the application of femtosecond lasers is becoming more widespread.Due to the unique properties of femtosecond lasers,there are significant advantages in micropore processing.This paper introduces the interaction mechanism between femtosecond laser and materials,the theoretical research and development of femtosecond laser drilling,the study of drilling methods and the exploration of various femtosecond laser processing parameters.The current development problems and the future development trend are summarized and the own views are put forward in the end.