目的：研究绢毛蔷薇果实的化学成分。方法：将醇提取物用Ｈ２Ｏ溶解，ＥｔＯＡｃ萃取，经柱色谱分离纯化，通过波谱分析并结合化学转化鉴定化合物。结果：从该植物果实中分离、鉴定了６个化合物：ｅｕｓｃａｐｈｉｃａｃｉｄ３，４ｍｏｎｏａｃｅｔｏｎｉｄｅ（１），ｅｕｓｃａｐｈｉｃａｃｉｄ（２），４ＯβＤ吡喃葡糖基没食子酸甲酯（３），槲皮素（４），齐墩果酸（５），豆甾醇（６）。结论：１是新化合物，３为首次从植物中分离得到。 Objective: To study the chemical constituents of the fruit of Rosa rugosa. Methods: The alcohol extracts were dissolved with H2O, extracted with EtOAc and purified by column chromatography. The compounds were identified by spectral analysis and chemical transformation. Results: Six compounds were isolated and identified from the fruit: euscaphicacid3,4-monoacetonide(1),euscaphicacid(2),4-O-β-D-glucopyranosyl gallate(3), Quercetin (4), Oleanolic acid (5), stigmasterol (6). Conclusion: 1 is a new compound, and 3 is isolated from the plant for the first time.