Hello: Astragalus membranaceus is a kind of qi-invigorating drug, which has the effects of invigorating qi and yang, strengthening exterior, promoting granulation, inducing diuresis and reducing swelling. Angelica sinensis is blood-nourishing, and has the effects of enriching blood and promoting blood circulation, regulating menstruation and relieving pain, and relaxing bowels. The medicine just bought from the drugstore can be washed with warm water first, then poured out and brewed with boiling water. * * * The same application has the effect of invigorating qi and nourishing blood.