Qujing municipal government and its surrounding business district are the center of the city, the center of commerce, finance, culture and politics, and the main place for shopping, entertainment and leisure, so pos machines are very common. The business districts in the city are concentrated in Dongfeng Road, Wenchang Road, Hongta Road, Jianshe Road, Central Square, Admiralty Business District, Baoshan Road Business District and Fuyuan Road Business District. There are many shops in these places, such as department stores, supermarkets, restaurants, selling mobile phones, electrical appliances, clothing and so on. , and most stores can support pos payment.