When I studied history at school, I knew Jianghan Customs, Jianghaiguan Customs and Guangdong Customs as bridgeheads for China's opening of ports and world trade. When I went to Wuhan in 2009, Jianghan Guan Building could only see its appearance and not enter it. Now it has been rebuilt into a museum, which was supposed to show the history of Xiajianghanguan and the introduction of the trade exchanges in the golden age of Hankou, but it can not be imagined that it is actually a museum of modern and contemporary history in Wuhan. From the second floor up, in chronological order, from Hankou port opening to leasing development, the revolutionary era, to New China. In addition to the precious exhibits, there are many recovery scenes, such as the Customs Office Hall, which shows the busyness of the year. Although you can't see the big bell in the bell tower, there is a model of Jianghan Guan bell for you to see. There is a temporary exhibition on the top floor. The balcony on each floor can also be visited, overlooking the Jianghan Road Pedestrian Street, Hankou River Beach and Wuchang's continuous high-rise buildings across the river. Free visits, but visitors must bring ID cards, brush ID cards to enter; in addition, in order to control the flow of people, instantaneous number of people in the library security will not be allowed to enter, have to queue up, and wait for someone to come out.