2. When making fish juice, you can also prepare a proper amount of rock sugar water, apple vinegar and balsamic vinegar, and you can also prepare a proper amount of seafood juice and millet pepper. Wash and cut the prepared millet pepper into pieces, then put the prepared other seasonings into a pot and boil them, put the prepared millet pepper into it and cook it together, add a proper amount of sugar to flavor it, boil it and cool it to get a beautiful fish juice.