The present invention relates to a method for stimulating wound healing, and more particularly to a method for stimulating wound healing in a subject in need thereof, comprising administering to a wound of the subject an effective amount for stimulating wound healing of a composition, wherein the composition comprises p43 having an amino acid sequence set forth in SEQ ID NO: 1 or functional equivalents thereof. The composition used in the method of the present invention can be efficiently utilized for the wound healing, since p43, an effective ingredient of the composition, has an excellent effect on the wound healing by its action including the induction of macrophage/monocyte and endothelial cell re-epithelization, proliferation of fibroblasts or angiogenesis.