Cat's ear has a long history, and is similar to the hoto mentioned in the Northern Wei Dynasty's "Qimin Essentials", which is made in the shape of a cat's ear, small and exquisite, smooth and flavorful, and is a popular noodle dish that has been passed down for a long time.
Cat's ear became popular in the Yuan Dynasty. When Ming and Qing dynasties Oh rub noodles have been commonly eaten in Shanxi folk, and spread to the Shaanxi, Hebei, Lu Yu and even Jiangnan area. Legend has it that when Qianlong traveled to the south of the Yangtze River, he had eaten the praise, because of its shape like a cat's ear, called the cat's ear. After liberation, Mr. Lao She tasted this noodle in Beijing Jinyang Dining Hall, wrote a poem and said: hump bear paw is not to be complimented, cat ear dial fish real and Chinese.