Compounded scar-preventing liquid biological dressing and preparation method thereof

The invention discloses a compounded scar-preventing liquid biological dressing and a preparation method thereof. The liquid biological dressing comprises a liquid A and a liquid B; the liquid A is composed of high molecular weight hyaluronic acid, medium molecular weight hyaluronic acid, low molecular weight hyaluronic acid, oligomeric hyaluronic acid and water; the liquid B is composed of compound bioactive peptide, growth factors, glycerol, hydroxyethyl cellulose, collagen, alginate, chitosan, phenoxyethanol, a witch hazel extract, a scutellaria root extract, a raspberry extract, a radix sanguisorbae extract, an onion extract and water. Moreover, the invention further discloses a preparation method of the compounded scar-preventing liquid biological dressing. The compounded scar-preventing liquid biological dressing provided by the invention plays remarkable effects of promoting healing, and preventing and reducing scars on skin wounds by compounding active components such as gradient hyaluronic acid, smal