Radix astragali and pepper collateral dredging lotion as well as preparation method and application thereof

The invention relates to a radix astragali and pericarpium zanthoxyli collateral dredging lotion, a preparation method and application. The radix astragali and pericarpium zanthoxyli collateral dredging lotion is prepared from 29-31 parts by mass of raw radix astragali, 14-16 parts by mass of radix cyathulae, 29-31 parts by mass of radix clematidis, 19-21 parts by mass of radix aconiti lateralis preparata, 9-11 parts by mass of herba asari, 29-31 parts by mass of rhizoma chuanxiong, 29-31 parts by mass of cassia twig, 19-21 parts by mass of pericarpium zanthoxyli and 29-31 parts by mass of radix salviae miltiorrhizae. The traditional Chinese medicine composition disclosed by the invention can be used for treating diabetic neuropathy, thromboangiitis obliterans, lower limb vein embolism, gout, osteoarthritis and rheumatoid arthritis by selecting specific medicinal components for proportioning, and especially has a particularly excellent curative effect on the diabetic neuropathy; the invention has the advantag