Before the public-private partnership, Mr. Tang Shunxian opened a cold noodle shop in Langjiaguai Street, which also sold braised beef. Because of its rigorous workmanship, exquisite materials, high quality and delicious taste, it is known far and near, so it is synonymous with cold noodles. "Hot cold noodles" is based on its characteristics.

Cold noodles were found in ancient times and other places. It was just called "cold pottery" in ancient times. Du Fu and Su Shi both described and praised it in their poems.

The remarkable feature of Langzhong cold noodles is that the cold noodles should be soaked in hot minced beef noodles, so it should be called "minced beef noodles" accurately.

Before liberation, foreign businessmen and American missionaries brought it as tourist food. Everyone cooks hot cold noodles, and specialty restaurants also sell them, but they are all before 12. Every time an old friend visits and a wanderer comes home, most people like to cook minced beef. A bowl of cold noodles with minced meat is full of family affection and warmth. Eat a bowl of hot cold noodles in Langzhong, and pay attention to it in Langzhong!