1. Remove the old roots of Flammulina velutipes, wash and drain. Pickled pepper, millet pepper diced. Chop the ginger and garlic, chop the scallion and set aside.
2. Heat the oil in a hot pot, add ginger, garlic, pickled peppers, millet peppers and yellow peppers.
3. Add a large bowl of water, bring to a boil, add a little pickled pepper water and salt to taste, sprinkle with pepper and cook for about 10 minutes.
4. Cook the Flammulina velutipes and put them into the bottom of the bowl.
5. Add beef slices and cook until color changes. Pour soup into a large bowl with Flammulina velutipes.
6. Sprinkle with garlic, scallion, and hot oil.