Guan Tingfen's Diary written by Guan Tingfen,a scholar in the late Qing Dynasty,was preserved in the library of Zhejiang Province,which recorded a large number of prefaces and postscripts including the preface of Sushuangqiu by Xu Shutang,postscript of Xu Shutang's Fengqiuhuang by Guan Tingfen,that of Changshengdian by Guan,that of Wuxing Fushanhenren's Weiliaoyuan by Guan,that of Yan Baoyong 's Yulanmengby Guan,that of Nantangzaju by friends of Guan,and epilogue of Chongding Quhai Zongmu. All of them have a special literature value.