Six prisons. Pengcheng prison and prison area is an important concept, involving prison area management, security, service and many other aspects. Pengcheng Prison in Xuzhou is one of the largest prisons in Jiangsu Province, China. It has six prisons, namely women's prison area, 1, 3, 5, 6, 7 and 9 prison areas. In addition to the above-mentioned six prison areas, Pengcheng Prison also has management areas of different administrative levels, such as duty room, detention room, detention center, patient management area, education reform area and order construction area.