1. Practice 1: Prepare the ingredients. Pork big bone, ginger, sesame leaves, green onion, salt, cooking wine, chicken essence, vinegar. Pork big bone clean; put the water blanch 3 minutes, fish out and rinse; pressure cooker put the right amount of water, put down the bones; add ginger, green onion, sesame leaves, vinegar, cooking wine, large fire boiled, small fire for 40 minutes; skim off the floating oil, add salt, chicken essence; add chopped scallions can be.

2, practice two: prepare the ingredients. Pig big bone, chicken bone, small shrimp, ginger, water. Wash the pork bones, cut into pieces and spare; wash the small shrimp, drain the water and spare; wash the chicken bones, cut into pieces and spare; chicken bones, pork bones into boiling water rolling boil for 5-6 minutes, the blood stains bubble removed clean; chicken bones and pork bones out, pour into cold water and rinse; prepare a soup pot, add small shrimp, ginger and cook together until boiling, and then turn the fire to simmer for about 30-40 minutes; will be the pot of bones out with a slotted spoon; take a strainer and strain the soup.

3. Practice 3: Prepare the ingredients. Pork bones, pure water, ginger, scallions, star anise. Pork bones bought back first fly water, boil the bleeding water, rinse clean; the cleaned pork bones, water, onion, ginger, anise together into the pressure cooker, large fire on the gas after adjusting the small fire pressure 40 to 50 minutes or so; the onion ginger anise fished out and poured out; change the frying pan to continue to heat, add salt, pepper, soy sauce a little bit of chicken essence a little bit of cilantro, parsley, scallion seasoning. Turn off the heat and add a few drops of sesame oil can be.