Luzhou beef noodles are really a must in Luzhou. Stew bone soup with diced beef for more than 8 hours, and then add a proper amount of salt, monosodium glutamate, pepper, pepper, pepper, kaempferia kaempferia, vanilla, poppy shell and other spices to make the original soup. This is the way to do it, but to master the technical essentials, it is best to study in Luzhou for about a month.