Clean meat soup: pork bones, pork skin, thigh bones with 4 times the water plus ginger, onion knot boil to remove the top layer of foam, add a little wine and cook for 2 to 3 hours, filter out the broth.
Beef broth: beef bones 2 pounds, add 6 pounds of water, boil on high heat to remove the top layer of foam, add 2 green onions, half a catty of kelp, simmer for 3 hours with a small fire, filter out the broth.
Clear fish soup: fish head and fish bones 2 pounds, cold water boiled, put the fish bones, fish head, a few drops of vinegar essence, boiled, fished up and washed, and then add water (4 pounds), ginger, scallion knots, celery a few, boiled to remove the foam, boiled for an hour and a half, filtered out the broth.
Vegetarian broth: mushroom roots, soybean sprouts, bamboo shoots, etc. Add 3 times the water, boil to remove foam, add green onion knots with a small fire can be cooked for one and a half hours.