Diao Jiao. Diaojiao is a delicacy in Wuhan that is found in tricky corners. It means it is not easy to find. It is Diaojiao, not Diaojiao. Wuhan, referred to as "Han", also known as Jiangcheng, is the capital of Hubei Province, the only sub-provincial city in the six central provinces, a megacity, the central city in central China, an important industrial base, science and education base and comprehensive transportation hub in the country, according to the national The National Development and Reform Commission requires that Wuhan is accelerating to build a national central city supported by four major functions: a national economic center, a high-level scientific and technological innovation center, a trade and logistics center, and an international exchange center.