Abstract: Alsophila spinulosa is Mesozoic fern that survived the fourth glaciation attack and are relict plants, which are listed as second-class key protected plants by National Forestry and Grassland Administration.Although A.spinulosa is a living fossil in scientific research, the number of A.spinulosa is decreasing due to the high environmental requirements for their reproduction and the destruction of habitat by human beings, so it is urgent to protect them.This article through to the most relevant research data and the literature review, sorting and induction, summarized in recent years, the study of sign around its main resources for investigation, most species and community, population structure and distribution characteristics, research situation and the cause of the most endangered and countermeasure and so on.Meanwhile, it put forward the A.spinulosa is not only beautiful appearance, also has high medicinal value.In the future, more research should be done on its medicinal value on the basis of protection.