The textbooks used in the first grade of Xuzhou City by People's Education Edition are all unified, and the subjects of Chinese, morality and history are published by People's Education Publishing House. Xuzhou, referred to as "Xu" for short, was called Pengcheng in ancient times. It is a prefecture-level city and sub-central city under the jurisdiction of Jiangsu Province. It is a national historical and cultural city approved by the State Council, a national comprehensive transportation hub and a central city of Huaihai Economic Zone.