Method 1: 1. Wash the herbs with water first and pour the water off; 2. Add water again and soak for half an hour to an hour to soak the herbs through. The amount of water can be determined by the amount of herbs; 3. Put the medicine on the fire and boil it, first with a high fire, then switch to a low fire and boil for half an hour. 4, and finally strain the liquid, divided into two oral. Method 2: 1. Same as above: first wash the herbs with water and pour the water off; 2. Same as above: add water again and soak for half an hour to an hour to soak the herbs through. The amount of water can be determined according to the amount of herbs; 3. ditto: put the medicine on the fire and boil it, first with a high fire, then switch to a low fire and cook for half an hour. 4.Finally strain the liquid out of the medicine. 5, then add water, the same as last time boil on high heat and then switch to low heat for half an hour. Strain out the liquid. (i.e. a pair of drugs cooked twice) 6, the two strained liquid mixed together, divided into two doses. The amount of medicine cooked out is usually as much as two paper cups, not too much. Many people drink a large bowl at a time, drinking stomach upset, which is not good.