Boiling soup with bamboo tube is a traditional food of ethnic minorities in Longsheng area of Guilin. With bamboo tube as the pot, fresh vegetable soup, chicken soup, trotter soup and so on can be cooked. When cooking, cut off fresh bamboo shoots, rinse them slightly, put the cooked chicken or pig's trotters into a bamboo tube, add soup and cook them on a fire pit until they are edible, add oil, salt and monosodium glutamate to taste them, and then pour them into utensils filled with chopped green onion and coriander for eating. The broth or vegetable soup cooked by bamboo tube is mellow, fresh and fragrant, and has a unique flavor.