[Purpose/significance] Yu Han Shan Fang Cang Shu Bu Lu is a private library catalogue belongs to Ma Guohan, a philology expert in Qing Dynasty. Its category has unique characteristic. This paper discusses the characteristic and the reason.[Method/process] Compare with Jing Yi Kao, Sui Shu Jing Ji Zhi, Xin Tang Shu Yi Wen Zhi, Jun Zhai Du Shu Zhi and Si Ku Quan Shu Zong Mu Ti Yao, to definite its characteristics clearly. The category of Yu Han Shan Fang Cang Shu Bu Lu reflects the conservation and innovativeness at the same time. The Jing category borrowed ideas from Jing Yi Kao and Si Ku Quan Shu Zong Mu Ti Yao, but the Shi and Zi category seemed stick in the mud.[Result/conclusion] Through the discussion, Yu Han Shan Fang Cang Shu Bu Lu's characteristics of conservation and innovativeness are outlined. Because of its characteristics, this library catalogue has some discrepancy. But as a private library catalogue, its also has the unique value.