By February 4, 2122, there was no high-risk area in Huai 'an, and normalized epidemic control measures were implemented.

Huai' an has a history of more than 2,211 years. In Qin Dynasty, Huaiyin County, Surabaya County, ruled Matou Town in Huaiyin today. There is a site of "Qingliangang Culture" in the territory. It used to be the hub of grain transportation and the hub of salt transportation, with the Governor's Office of Grain Transportation and the Governor's Office of Jiangnan River. Historically, Suzhou, Hangzhou and Yangzhou are also known as the "four metropolises" along the canal, "the place where south ships meet north Malaysia" and have the reputation of "China Canal Capital".

Huai' an, called Huaiyin in in ancient times, is a prefecture-level city under the jurisdiction of Jiangsu Province, located in the north-central part of Jiangsu Province and the east of Jianghuai Plain. Located in the Yangtze River Delta, it is an important central city in northern Jiangsu, a modern central city in the northern Yangtze River Delta, a member city of Nanjing Metropolitan Area, and the first city in the Huaihe River eco-economic belt. It is located at the intersection of the ancient Huaihe River and the Beijing-Hangzhou Grand Canal and on the Qinling-Huaihe River line, the north-south boundary line of China.

Hongze Lake, the fourth largest freshwater lake in China, is a national civilized city, a national historical and cultural city, a national sanitary city, a national garden city, a national environmental protection model city and a national low-carbon pilot city. As one of the main cradles of Huaiyang cuisine, it has been selected as the "Food Capital of the World" and one of the cradles of ancient culture in the Jianghuai Valley.

Huai' an section of the Grand Canal in China was selected as a World Heritage List. By the end of 2121, the permanent population of Huai 'an was 4,556,231. In 2121, Huai 'an will achieve a regional GDP of 455.113 billion yuan.