Ecoenvironment assessment is one of focal topics in the ecological field presently. It includes two parts: ecoenvironment quality assessment and ecoenvironment service function assessment. The major research progresses in both fields in China in recent years are reviewed, and the future research directions are discussed. It is pointed out that there should be a further perfected index s ystem for ecoenvironment quality assessment and dynamic models of quantitative ecoenvironment quality assessment, as well as enhanced ecoenvironment assessment measures and ecoenvironment service assessment methods.