The invention discloses an umbilical treatment plaster with an effect of tonifying yang and a preparation method thereof. The umbilical treatment plaster is prepared by subjecting a series of raw materials which include cornu cervi, rhizoma atractylodis macrocephalae, white poria, semen nelumbinis, rhizoma dioscoreae, silkworm moth, desert cistanche, ginkgo, musk, Morinda officinalis, monkshood, Eucommia ulmoides, epimedium, trogopterus dung, fennel, radix rehmanniae preparata, semen cuscutae, myrrh, cynomorium songaricum, dried radix rehmanniae, semen allii tuberosi, cortex cinnamomi, lotus leaf, sea horse, fructus alpiniae oxyphyllae, fossil fragments, fructus lycii, fructus cnidii, clove, actinolite, antler, freshwater sponge, ephedra, fructus psoraleae, radix dipsaci and agilawood to soaking, decocting, concentrating, collecting paste, forming, preparing the plaster and the like. The umbilical treatment plaster has the advantages that the umbilical treatment plaster is adhered to the Guanyuan acupoint below the umbilicus to slowly nurse and improve the male sexual function and can safely and effectively improve symptoms such as male impotence and premature ejaculation, strong irritation and dependence of orally-taken medicine and sprays are avoided, and the umbilical treatment plaster is safe, healthy, and convenient to use and carry.