Before Bianjing was made the capital during the Song dynasty, it was an important transhipment center for grain, at the intersection of the Grand Canal and the Yellow River. With population growing fast, the city's residential districts were jam-packed and bursting.
尤其汴京在成為宋朝首都前，因為位於大運河與黃河相交處，大量漕運在此轉運，人口增加很快，城市居住擁擠。