中文摘要：

本文对西方预防性储蓄研究文献中预防性储蓄重要性的测算方法进行了详细总结和比较，对其在中国的应用和适用性也做了简要的介绍和讨论，以期起到抛砖引玉的作用。

英文摘要：

This paper makes a summary of measurement techniques about the importance of precautionary savings used in western precautionary saving papers and compares among them. This paper also introduces the applications of these techniques in china. It expects to throw a brick to attract a jade.