Preparation method of decoction pieces special for soaking and boiling astragalus membranaceus

The invention relates to the technical field of astragalus membranaceus decoction pieces, and discloses a preparation method of decoction pieces special for soaking and boiling astragalus membranaceus, which comprises the following steps: 1) taking the astragalus membranaceus in the original form out of soil, removing the soil on the surface of the astragalus membranaceus in the original form, and removing the head and the tail of the cleaned astragalus membranaceus in the original form to obtain astragalus membranaceus; the preparation method comprises the following steps: 1) preparing radix astragali, 2) removing redundant root hair on the surface of radix astragali, then removing radix astragali skin to obtain radix astragali cores, and cutting the radix astragali cores into radix astragali core sections with uniform lengths, 3) airing the radix astragali core sections, and 4) crushing the aired radix astragali core sections into radix astragali filaments. According to the preparation method of the astraga