Abstract:Asafoodanddrugdual-useplant,Chestnut(Castaneamolisima)isrichinprotein,starch,fat,Bvitamins,vi- taminC,caroteneandothernutrients.Itcontainsalargenumberofactiveingredientssuchasflavonoids,polyphenols,and tannins,andsooninitsskin,leaves,flowersandbuds.Themorphology,structure,chemicalcomposition,mainproductsand procesingstatusofchestnutweresummarizedinthispaper.Andtheprospectofthecomprehensiveutilizationofchestnut (C.molisima)wasalsoputforward,soastoprovideareferenceframeforthehigh-valuedevelopmentdirectionandim- provetheprocesingindustrychainofchestnut.