[Objective] To research the sand-control effects of planted Hedysarum leave afforestation in moving dune. [Method] By using the method of spatial and temporal replacement,dynamic change of herbaceous plant diversity was researched after 1- 10 years of Hedysarum leave afforestation in moving dune in Shifeng City. [Result]Plant types enhanced as the years increased. Shannon-Wiener,Simpson and Margalef indexes all enhanced,but Pielou index reduced. Compared with afforestation in the current year,population sim...