Salvia miltiorrhiza is a commonly used drug in clinical practice, which has good effect on the treatment of blood disorders. Moreover, excellent herbal preparations of Salvia miltiorrhiza have been developed in the market, which has become a necessary drug for many families’ small medicine chests. Danshen plant The Danshen tablets we use in Chinese clinical medicine are the dried rhizome of Danshen plant, which is processed after slicing and drying, and are generally divided into raw or wine fried, and wine fried has stronger performance in activating blood. The first thing to learn about Chinese medicine is to understand the taste and meridian of Chinese medicine. The so-called taste refers to the four gases of warm, hot, cold and cool as well as the five tastes of sour, bitter, sweet, pungent and salty. The taste of Danshen is pungent, and the nature of pungency is to be able to move and disperse. Generally, pungent drugs have the effect of dispersing, moving qi and blood; Danshen is slightly cold and belongs to the heart and liver meridians. After understanding the basic properties of Salvia miltiorrhiza, the point is, what does Salvia miltiorrhiza do? Generally speaking, Salvia miltiorrhiza has the functions of activating blood circulation, regulating menstruation, cooling blood and eliminating carbuncles, clearing the heart and calming the mind. It has been said that “a single dan shen san is as effective as four substances”, which shows its important effect on blood stasis in gynecology. The so-called Dan Shen San is a single herb of Dan Shen, made into powder and served with yellow wine. 2. It is used to treat pain in the heart and abdomen caused by blood stasis and the accumulation of obstruction in the abdomen, and for palpitations, hyperlipidemia, arteriosclerosis, coronary heart disease and intra-abdominal masses. 3.It is used to treat sores and carbuncles because Salvia miltiorrhiza has the effect of cooling blood and activating blood circulation, clearing stagnant heat, and is used in the treatment of breast enlargement. 4.For the treatment of insomnia, for insomnia caused by deficiency of heart yin and internal disturbance of deficiency heat, it is combined with sour date palm, Agaricus blazei and ginseng to benefit qi and nourish blood, nourish the heart and remove disturbance.