Drinking Angelica sinensis and Salvia miltiorrhiza together has the effect of tonifying and invigorating blood, regulating menstruation and relieving pain. 1. Angelica sinensis is sweet, pungent and warm in nature, functioning to tonify and invigorate blood, regulate menstruation and relieve pain (regulating menstruation and relieving menstrual pain), moistening the intestines and relaxing the bowels; it is used for treating deficiency of blood and atrophy of yellowish yellow color, palpitation (accelerated heartbeat often accompanied by panic), menstrual disorders, amenorrhea and dysmenorrhea, abdominal pain of deficiency and coldness, constipation of dryness of the intestines, paralysis of rheumatism and injuries of falling and fluttering. Adverse effects are not clear. Caution should be exercised if there is dampness obstructing the middle Jiao (dampness obstructing the function of the spleen and stomach), plumpness in the epigastrium (abdomen) (stomach distension and discomfort) and loose stools. 2. Danshen is slightly bitter in taste and cold in nature, with the functions of activating blood circulation, removing blood stasis, clearing menstruation and relieving pain, clearing the heart and removing vexation (removing vexation and heat in the heart), cooling the blood and eliminating carbuncles (eliminating carbuncles and swellings by cooling the blood). It is often used in the treatment of menstrual disorders, dysmenorrhea with menstrual closure, postpartum abdominal pain with stagnation, pain in the epigastrium, accumulation of obstruction in the abdomen (tangible or intangible lumps appearing in the abdomen with a feeling of distension and pain), and swelling and pain of sores and ulcers. Adverse effects are not clear, and it should not be used together with Veratrum. Angelica sinensis and Salvia miltiorrhiza can invigorate blood circulation and regulate menstruation. Used together, they can enhance the effects of tonifying and invigorating blood circulation, removing blood stasis, regulating menstruation and relieving pain. If you need to take Angelica sinensis and Salvia miltiorrhiza at the same time, it should be prescribed by a physician after diagnosis and should not be taken by oneself to avoid adverse effects.