You can put salt.

1. Pork ribs are about 1000g, cleaned and cut into blocks with uniform size. Put the chopped ribs in a container, soak them in enough water for about two hours to remove the blood, and change the water frequently during this period.

2. Boil the soaked ribs in cold water until boiling, skim off the floating foam, take them out, and then rinse the impurities with clear water.

3. Peel and wash the onion and ginger, cut them into onion segments and ginger slices respectively, and wash the star anise and pepper for later use.

4. Put the blanched pork ribs, onion, ginger slices, star anise and pepper into the soup pot, add a proper amount of cooking wine, white vinegar and a little sugar, and simmer for about 50 minutes after boiling.

5. Then add the right amount of salt to adjust the taste, and continue to simmer for about 20 minutes. Turn off the heat when the soup in the soup pot turns white and the ribs are soft and rotten.

Nutritional value of bone soup;

Besides protein, fat and vitamins, it also contains a lot of calcium phosphate, collagen and bone mucin. Pig bones are warm, sweet and salty, and enter the spleen. The stomach meridian has the functions of invigorating spleen, moistening stomach, promoting salivation, strengthening body, moistening skin, nourishing middle energizer, nourishing blood and strengthening bones. Children often drink bone soup, which can replenish collagen and other substances needed by the human body in time, enhance the hematopoietic function of bone marrow and contribute to the growth and development of bones. Adults can delay aging if they drink it.