This paper begins with the concept of pulsed power science and technology, briefly introduces the Chinese history of pulsed power science and technology, which, according to the construction process of high power pulse accelerator, can be divided into three stages: self-dependent startup, accelerated growth, innovation and invention; principally describes the national progress and applications of pulsed power science and technology with an international perspective, such as X-ray flash photography, Z-pinch, high-power microwave, electromagnetic emission and industrial applications; presents the development trend of pulse power technology in the future and ends with suggestions for its domestic development as follows: vigorously developing advanced radiation source technology, putting more concerns on explosive magnetic compression technology, strengthening explorations into high power microwaves, nuclear hardening and electromagnetic emission for more breakthroughs, and increasing collaborative innovations and application promotions.