This article made a brief introduction to a series of AQoL（assessment of quality of life）instruments, which con sists of the development s, features, utility tariffs and its application s about AQoL-4D,AQoL-6D,AQoL-7D and AQoL-8D. The purpose of the study is to provide basic support for health economic evaluations, especially for health utility measurements and cost-utility Analysis in China.