1, materials: 500 grams of pork bones, 1 ginger, 2 scallions, cooking wine, salt, white vinegar, each appropriate amount.

2, the preparation of ingredients pig bones large hard texture, buy when you can let the owner of the bones into small pieces, buy back after the water over again to wash away the blood and impurities, ginger slices, scallions cleaned and spare

3, the pot with water, down into the ribs, high heat boiling, skimming foam, fishing and then again over again in the water to wash away the impurities

4, will be the first time blanching water pouring off the bones, net pot, again on the water, the water, the water, the water, the water, the water, the water, the water, the water, the water, the water, the water, the water. The first time you blanch the pork bone, pour the water again on the net pot, pour the pork bone, add 2-3 leaves of ginger, green onion knots and 2 spoons of cooking wine. Turn on high heat and bring the water to a boil, skim off the froth again. Change to medium-low heat, add 2 tablespoons of white vinegar, to ensure that the simmering process of a slight boiling state, the time on the 2.5-3 hours, see the soup white, you can turn off the fire, add 1 tablespoon of salt to taste freshness, the pig bone scum fished out, the soup cooled down and refrigerated, if you want to eat rice noodles or soup noodle, can be used as a base at any time. An original pork bone soup is ready.