Bibliographers and connoisseurs in Qing Dynasty. An Qi, Zi Yizhou,No. Lucun, alias Songquan old man, Korean. Tianjin Wei (now Tianjin) was born. Mainly engaged in business, in his early years, he managed Huainan salt industry on behalf of Nalan Mingzhu, with assets of millions, which made him famous for a while. In the forty-seventh year of Kangxi (1708), he moved to Tianjin. In the early years of Qianlong, he used his family's money to repair the wall of Tianjin and helped thousands of poor and unemployed people. There are poor scribes in Jianghuai area, and he helped them. I like collecting ancient books, paintings and calligraphy very much, and I am good at appreciation. I don't like to appreciate historical sites. My collection is rich in the sea. He has collected rare books such as Xiang, Liang and so on. His books include Gu Xiang Bookstore, Shui Gu Caotang, Little Green Pavilion and Siyuantang. He is good at painting and calligraphy. There are four volumes of works on painting, which record all the paintings and calligraphy in his collection. The textual research is incisive and highly praised by his peers, calling him a "liberal artist who likes the past". Suo Jing, a calligrapher in the Jin Dynasty, once collected the earliest extant Ode to a Teacher by Mo Bao, a cursive script of Qian Zi Wen by Tang Gaoxian, and a bitter bamboo shoot post by Tang Huaisu. Finally, it was collected by Gan Long Shiqu Baodi. The collection seals include the calligraphy and painting seals of North Korea's An, An Yi Collection, Imperial Reading Institute, Korean Appraisal Seal, North Korea's Anlu Village Collection Seal, North Korea's Anlu Village Collection Seal, An Yizhou Book Seal, An Zhong, Jing Appraisal and An Zijing Appraisal. After his death, books and antiques were partly owned by Yu Sheng and Duan Fang.