The invention discloses a 
hyaluronic acid dressing and a preparation method thereof. The dressing comprises the following components in percentage by 
mass: 0.01-0.3% of medium-molecular-weight 
hyaluronic acid, 0.01-0.5% of small-molecular-weight 
hyaluronic acid, 0.03-1% of 
allantoin, 0.1-1% of Carbomer, 2-5% of 
sorbitol, 0.2-1% of 
trehalose, 0.7-2.5% of 
witch hazel distillate, 0.1-0.5% of D-
panthenol, 0.05-0.15% of alpha-
bisabolol, 0.2-1.0% of oat 
glucan, 2-10% of glycerinum, 0.06-1% of water-soluble 
silicon wax, 0.05-0.9% of an antalkali, 0.004-0.2% of 2-methyl-4-isothiazoline-3-one, 0.05-0.4% of 
phenoxyethanol, 0.005-0.05% of pentanediol, 0.01-0.06% of octylene glycol, 0.025-0.5% of 
methylparaben and the balance of water. The dressing disclosed by the invention is capable of permeating into the deep 
layers of the 
skin to remove excessive free radicals, promoting the generations of blood vessels, and accelerating the union of wounds, in particular, acnes, 
eczematous dermatitis, photorejuvenation postoperation repair and the like.