West of the intersection of First Street and Anshun Road, Longting District, Kaifeng City. According to Baidu map, the first floor of Kaifeng is a century-old shop. The "steamed buns on the first floor" operated by this shop is a traditional famous food, which originated from the famous "plum blossom steamed buns in Wanglou Mountain Cave" in Tokyo in the Northern Song Dynasty, and is located on the west side of the intersection of First Street and Anshun Road in Longting District, Kaifeng City. Kaifeng, called Bianjing for short, was called Daliang, Kaifeng, Bianzhou, Bianliang, Bianjing and Tokyo in ancient times. It is a prefecture-level city under the jurisdiction of Henan Province.