The operation steps are as follows: 1. The formula of the tube bone hot pot base, 2. Main ingredients: 500 grams of tube bone sections, 100 grams of square bamboo shoots, and 100 grams of tofu skin.

3. Seasoning: 5 grams of cooking wine, 8 grams of chicken essence, 2 grams of salt, 10 grams of hot clear oil, 2 slices of ginger, 2 sections of green onions. How to make the base of the Tonggu hot pot: put the Tonggu in a soup pot, add water, and bring to a boil.

Boil, skim off the foam, simmer over medium-low heat for 4 hours, add seasonings, square bamboo shoots, and tofu skin and bring to a boil.