The invention discloses plastics for promoting the healing of skin wound and a preparation method of the plastics. The plastics comprises a traditional Chinese medicine solution and auxiliary materials, wherein the traditional Chinese medicine solution is derived from an alcohol extraction solution of a medicine composition, the pharmaceutical composition comprises Chinese angelica, radix notoginseng, baical skullcap root, phellodendron amurense, boswellia carterii, myrrh, common peony root, fructus forsythiae, radix et rhizoma rhei, honeysuckle flower, sinkiang arnebia root and liquorice; and the excipients comprise polyvinyl alcohol 1788, bletilla striata gelatin, chitosan, glycerol, polyethylene glycol 400, azone, eucalyptol, absolute ethyl alcohol, water, glacial acetic acid and borneol, and the volume of the traditional Chinese medicine solution to the auxiliary materials is 1:(4-5). The invention also provides a preparation method of the plastics for promoting skin wound healing. The plastics has the functions of effectively resisting bacteria and diminishing inflammation, invigorating the circulation of blood, removing blood stasis, resisting exudation and promoting the wound repairing and healing, and provides a new convenient, effective and safe path for promoting the healing of the wound.