Commerce was thriving during this period, and the city was full of stores and markets, many staying open until late in the evening. Kaifeng by night was abuzz with light and activity, and its night markets, called "ghoul markets," were usually open all night.
商業繁榮的宋代，到處都是商店，到處是攤販，商店的交易時間從白天到深夜，開封的夜晚是燈火輝煌，熱鬧非凡，稱作「鬼市」的夜市，經常是通宵營業。