Abstract: Elaeagnus mollis is in the second grade protection in China. It is endemic to China. E. mollis scrub in lower mountain and loess-hill areas of southwest Shanxi province develop perfectly under a special ecological environment. The geographical elements, dominated by temperatical ones, are complex. The community possesses the physiognomy and structure of the warm-temperate deciduous broad-leaved shrubland.Analysis shows that E. mollis scrub in the preserve are a well-preserved and precious communities with various typical structural types. According to the integration of importance value and other characteristics of shrub layer and herb layer, this paper has described 8 associations.At the end of this paper, the authors also proposed same proposals ways exploit, utilize and protect the E. mollis scrub.