Originated in the Eastern Han Dynasty, it was initiated by Zhang Zhongjing, a medical sage. In the Eastern Han Dynasty, Zhang Zhongjing, a medical sage, took jiaozi as medicine. Zhang Zhongjing wrapped some cold-dispelling herbs in dough to treat diseases (mutton, pepper, etc.). ) to avoid frostbite of patients' ears. Jiaozi, also known as dumplings, is a traditional noodle of the Han nationality. It evolved from wonton, originated in the ancient corner of China, and was originally named "Jiaoer", with a history of over 1800 years.