1. Prepare the ingredients.
2. Remove the flesh of bitter gourd, wash and slice; fish fillets, mix well with salt and starch; slice ginger and smash garlic.
3. Heat oil in a pot, sauté ginger, garlic and dried red pepper, add bitter gourd, add salt and stir fry.
4. Add appropriate amount of cold water to the pot, add sugar and vinegar.
5. Boil the water, add the fish fillets, disperse, boil, adjust the flavor and put it into a bowl.