AIM To observe the clinical effect of alum-borneol nanoemulsion on wound surface of superficial second-degree scald,and the change of the epidermal growth factor(EGF) in the process of wounds nealing.METHODS Forty SD rats which were made superficial second-degree scald model were divided into four groups,alum-borneol nanoemulsion group,positive control group,alum-borneol liquid group,blank nanoemulsion group.In order to observe their wound dynamic healing rate and recovery time,the immunohistochemistry method and image data were used to analy...