During May 2004 to November 2005 , the Xuzhou Museum excavated the ruins of the Ming Dynasty in Xuzhou. Site from the surface of the following 4.5 meters, the excavation area of about 500 square meters. 24 room access to the Ming Dynasty. The unearthed relics mainly bronze, iron, wood, porcelain etc.. Found in the room of a large number of cold, hot military weapons and equipment, the main guns, guns, iron bombs, gunpowder, bows, knives, swords, armor, Tie Zhou, etc.. Ruins found “Xuzhou Wei Zhen Fu Company Department of stone inscriptions, Chenghua twenty years Zhen Fu Zhang Mao reconstruction” and other records. In the early Ming Dynasty found the fowling is a big harvest, keep complete, are found in china. Just before the Liaoyang in 1978 3 found 1 long 2 short tube (“history of firearms China fowling”). Such a large discovery, unfortunately, the domestic reports, the picture is less, the report also missed the opportunity to see, there is a chance to go to the students in Xuzhou, you can go to see the armor and guns.