The present invention relates to a pharmaceutical composition for wound healing and a cosmetic composition for wound alleviation, each composition comprising a culture medium of Ceriporia lacerata mycelia or an extract thereof as an effective ingredient. A culture medium of Ceriporia lacerata mycelia or an extract thereof according to the present invention was found to increase cell proliferation rates of the murine myoblast C2C12. In addition, the mycelium culture medium or an extract thereof was identified to promote wound healing HaCaT cells, which are human keratinocytes. Therefore, the culture medium of Ceriporia lacerata mycelia or an extract thereof according to the present invention can be useful for healing skin wounds.