In this paper we describe the characteristic of time and physics of pulsars, and the significance of study,as well as recent progress of millisecond pulsar timing theory and techniques in the world.

• 介绍脉冲星的时间频率特征，脉冲星时间研究的意义，毫秒脉冲星计时理论方法和技术方面的研究进展，对其中的关键问题给予讨论。