Radix astragali and pseudo-ginseng mixed traditional Chinese medicine slow-release powder and preparation method thereof

The invention provides traditional Chinese medicinal material slow-release powder mixed with astragalus membranaceus and pseudo-ginseng and a preparation method of the traditional Chinese medicinal material slow-release powder, and belongs to the technical field of traditional Chinese medicines, and the preparation method of the traditional Chinese medicinal material slow-release powder mixed with astragalus membranaceus and pseudo-ginseng comprises the following steps: respectively carrying out superfine grinding on traditional Chinese medicinal materials astragalus membranaceus and pseudo-ginseng; the superfine powder is prepared into astragalus membranaceus sustained-release microcapsules and astragalus membranaceus sustained-release microcapsules through a chitosan-sodium alginate complex, ultrasonic spraying-vacuum freeze drying is conducted, then the microcapsules are mixed with auxiliary materials, and the astragalus membranaceus and pseudo-ginseng mixed traditional Chinese medicine sustained-release p