1. Wash the fish, macerate it with refined salt for 5-10 minutes and set aside.
2. Put a little oil in the pot, when the oil is hot, stir-fry the pot with chopped green onion, and then add a proper amount of water (just diffuse over the fish).
3. Add cooking wine, scallions, ginger, garlic, vinegar, mushrooms and dates, and boil over high heat.
4. After boiling, simmer slowly for about 30 minutes.