What are the specific components of blood stasis tablets? What is the relationship between its composition and efficacy?

Then, what are the specific ingredients of Huayu tablet, and what is the relationship between its ingredients and curative effect?

The main components of blood stasis tablets are: Olibanum (stir-fried), Radix Clematidis, Carthami Flos, Radix Salviae Miltiorrhizae, Myrrha (stir-fried), Radix Cyathulae, Rhizoma Chuanxiong, Radix Angelicae Sinensis, Curcuma Longa, Rhizoma Cyperi (stir-fried) and Radix Astragali (stir-fried). So, what are their functions?

Safflower: warm in nature, pungent in taste, promoting blood circulation and removing blood stasis, and relieving pain. Used for amenorrhea, dysmenorrhea, lochia, abdominal lump, and traumatic injury.

Salvia miltiorrhiza: also known as red ginseng, purple salvia miltiorrhiza, red root, etc. It is a dicotyledonous plant of Labiatae with dry roots and rhizomes. Location: Anhui, Henan, Shaanxi and other places. Efficacy: promoting blood circulation, regulating menstruation, removing blood stasis and relieving pain, cooling blood and eliminating carbuncle, clearing heart fire, nourishing blood and calming nerves.

Achyranthes bidentata: removing blood stasis and dredging menstruation, dredging joints, diuresis and stranguria. Used for amenorrhea, retained placenta, joint pain, soft feet, hematuria, and traumatic injury.

Angelica sinensis: It can replenish blood and promote blood circulation, regulate menstruation and relieve pain, and moisten the intestines to relieve constipation. Can be used for treating blood deficiency and sallow, dizziness and palpitation, menoxenia, amenorrhea, dysmenorrhea, abdominal pain due to deficiency of cold, constipation due to intestinal dryness, rheumatalgia, traumatic injury and carbuncle.

Rhizoma Cyperi: regulating qi and relieving depression, regulating menstruation and relieving pain. Can be used for treating liver depression and qi stagnation, chest pain, hypochondriac pain, epigastric pain, dyspepsia, menoxenia, amenorrhea and dysmenorrhea, abdominal pain due to cold hernia, and breast pain.

Astragalus membranaceus: It has the effects of benefiting qi, consolidating exterior, astringing sweat, stopping sores, promoting granulation and diuresis, and reducing swelling. Can be used for treating qi deficiency, asthenia, stagnation of middle qi, chronic diarrhea, proctoptosis, hematochezia, spontaneous sweating due to exterior deficiency, carbuncle, chronic ulcer, blood deficiency, sallow complexion, internal heat, thirst, chronic nephritis, proteinuria, diabetes, etc.

The combination of the above ingredients has the effects of promoting blood circulation, removing blood stasis, dredging collaterals and relieving pain.