February 1, 2014, the CCTV news channel reported that CCTV News issued a microblogging said "Yu cuisine is the origin of China's major cuisines, many authorities in the culinary world, Yu cuisine is the eight major cuisines of the 'mother. In fact, if we trace the roots, said Yu Cuisine is the eight major cuisines of China's "mother dish" also has a certain degree of truth. It is said that Yi Yin, who is honored as "the ancestor of Chinese cook" and "the originator of cooking", was valued by King Tang of the Shang Dynasty because of his good cooking, and he created the "five flavors and harmony" and "fire". His "theory of harmonizing five flavors" and "theory of fire" are still the unchanging rules of our country's cooking. Over the years, many people in the culinary world also believe that Yu cuisine is the origin of China's major cuisines.　　But this microblogging issued by the famous Shaanxi food netizens, "the old demon to take you to eat Xi'an" is a direct board CCTV news, tweeted that "the world's food from Shaanxi, began in the Zhou Qin Sheng in the Tang". "The old demon to take you to eat Xi'an" is a famous Shaanxi food people, has been committed to the Internet to promote Shaanxi food, but also many times to defend the reputation of Shaanxi food and online battle.