1. Cook the noodles in boiling water until there are no white stones inside.

2. Put the fish in the cold boiled water that was dried in advance and let it cool.

3. Wash all kinds of vegetables and thaw peas and corn.

4. Dice tomatoes, onions and ham. Dice the potatoes and blanch them. Peas and corn are also cooked in hot water.

5. When the oil in the pan is hot, add the onion and stir fry.

6. Pour in the potatoes, continue to stir fry, sprinkle with salt and pepper and stir fry for a while.

7. Pour in peas, corn, ham and a little vinegar and mix well.

8. Pour in diced tomatoes and mix well.

9. Add a proper amount of water, cover the pot, cook until the soup is thick, pour it on the noodles, and mix well to serve.