Located at No. 5 Anhui Road, Shinan District, at the junction of Anhui Road and Guangxi Road. It is the old post office of the German Empire in Jiao'ao. This building, built in 1901, is the earliest existing post and telecommunications business building in Qingdao. On the first floor, there are reception hall, antique telephone wall, Jiao'ao 1901 slow delivery shop and souvenir shop; on the second floor, there are main exhibition halls; on the fourth floor, there are 1901 tower halls. This is the only one hundred-year wooden tower open in Qingdao City, and it is a very beautiful and tuneful bookstore, which lingers for a long time unconsciously.