In recent years

many physicians have expounded the underlying theoretical foundation as well as clinical application of "to treat

w

ě

i

(atrophy

痿)

select the

yangming

channel only" in

Huangdi Neijing

(

Huangdi



s Internal Classic

).Most of them think that "

w

ě

i

(痿)" means that limbs are flaccid and not used.From the perspective of "selecting the

yangming

channel only"

they mostly focus on the treatment of limb diseases such as myasthenia gravis.However

we believe that the above-mentioned understanding greatly limits the application of this sentence.Based on the literary connotation of the word "

w

ě

i

" and the clinical manifestations of modern diseases

this paper puts forward that both "flaccidity" and "atrophy" can be treated by selecting the

yangming

channel only at the micro level

which can be summarized as organic atrophy and functional degenerative diseases

such as atrophic rhinitis

atrophic gastritis

organ droopping

etc.In terms of syndrome differentiation and treatment of supplementation and purgation

Astragalus membranaceus is used as the main medicine to invigorate qi and spleen and eliminate the stagnation of

Yangming

. It enriches the deep understanding of the theory and expands the guiding application of the theory to clinical practice.