2. Clean the shrimp, peel off the shrimp shell and head, leave only the shrimp, remove the shrimp line and clean it.
3. Cut tofu into pieces, cut tomatoes into small pieces, mince onions, and shred ginger.
4. Pour a little oil into the wok, and stir-fry half the shredded ginger into the wok to change color.
5. Pour the tomatoes into the pot and stir-fry the soup.
6. Then pour in the right amount of water, put the remaining ginger into the soup and boil it over medium heat.
7. Add the right amount of salt and cook the tofu in the soup for two minutes.
8. After the soup is boiled again, evenly put the shrimps into the soup, turn off the heat after discoloration.
9. finally sprinkle with shallots.