Firstly, according to the dosage of six doses of traditional Chinese medicine (it is best to use a decocting machine when the dosage is large, but the effect is poor when the dosage is small), secondly, the amount of water added is eight to ten times that of traditional Chinese medicine (for example, the dosage of six doses of traditional Chinese medicine is1000 g, and it is 800- 1000 ml), and finally the dosage of a packet of medicine after decocting is 150-.