陆心源、刘承干和蒋汝藻是清末民初湖州三大藏书家 ,也是当时闻名全国的藏书家。他们以为官经商积累的资产 ,修建藏书楼 ,收藏了大量珍稀古籍。他们充分利用所藏 ,刊刻许多精籍善本 ,同时进行学术研究 ,为中国近代文化事业作出了不小贡献。但是 ,由于他们身处的时代对文化的阻碍与破坏 ,使他们的藏书先后散失 ,留下了中国近代藏书史上沉痛一页 Lu Xinyuan, Liu Chenggan and Jiang Ruzao are the three great book collectors in Huzhou at the end of the Qing Dynasty and the early Republic of China, and also the famous book collectors at that time. They think that the accumulation of official business assets, build library, collection of a large number of rare ancient books. They make full use of the hidden books and journals and publish many fine books and rare books. At the same time, they carry out academic researches and made a great contribution to the cultural undertakings of modern China. However, due to the hindrance and destruction of culture in the era in which they lived, their collections have been lost one after another, leaving a painful page in the history of modern Chinese books