hui mian is said to have been created in tang dynasty. a country woman made a bowl of noodles for li shimin to help him when he had a cold, so li found that woman later after he became the emperor. so the royal cooks began to learn from this woman. in qing dynasty, the eight power allied forced into beijing, and the empress dowager ci xi who escaped to shanxi, still remembered hui mian can dispel cold. until the end of the qing dynasty, the royal cook pang enfu escaped from the palace and lived in seclusion in henan. hui mian began spreading in secular society.