With the advent of the intelligence age, flexible electronics have been increasing importance in the development of modern industries owing to their extremely strong conformal capability and excellent device performance. Ultrafast laser technology possesses unique advantages and application prospects in the high-resolution non-destructive fabrication of flexible electronics because of its superior capability in high precision manufacturing. In this study, the basic mechanism of ultrafast laser-matter interaction is first introduced. Afterward, the cutting-edge applications and research status of four typical ultrafast laser technologies used in the current field of flexible electronics are presented. Accordingly, the challenges and future development trends in ultrafast laser application in the field are summarized and prospected.