Zhang Fei beef is a famous food in Langzhong city. According to legend, when Liu, Guan and Zhang became sworn in Taoyuan, they held a big banquet. In order to have a delicious appetizer, Zhang Fei told us how he cooked beef for the chef for many years. It turns out that Zhang Fei is not only a butcher, but also a good cook. His braised beef noodles are black and red, which is delicious. At the beginning of the banquet, the two brothers ate beef while drinking, guessing whether they were happy. They all said, "Zhang Fei beef is delicious! Zhang Fei beef is delicious! "