The green olive and pig bone soup is a good recipe for sore throat and dry cough handed down by the ancestors, especially for clearing lung heat.
How To Make The Green Olive and Pig Bone soup
Clean 400 grams of green olives and pat them flat with a knife. 500 grams of pig bone is blanched in the water. One is longan. One is medlar. Boil it in a large pot and turn it into a small pot for three hours. Season with salt.