1, Sichuan Province, Huaizhou refers to Huaikou, Jintang County, Chengdu, with a long history, commonly known as Huaizhou. This area has developed rapidly in recent years, with good urban planning and infrastructure construction, and is one of the important new urban areas in Chengdu.

2. Jiangsu Province and Huaizhou were the ancient names of Huai 'an, the capital of China Canal in the Southern and Northern Dynasties. Huaian is located in the north-central part of Jiangsu Province, in the east of Jianghuai Plain and in the Yangtze River Delta, and is an important central city in northern Jiangsu. Huaian has a history of more than 2200 years. It used to be the hub of water transportation and salt transportation. Historically, Huai 'an, Suzhou, Hangzhou and Yangzhou were also called the "four big cities" along the canal.