Multi-function wig hat ontology, cap eaves, wig, storage bags, decorative rivet and fixtures, store content bag is set on the cap body, cap cap eaves set described in stated at the bottom of the body of the ontology, wig fixtures setup in the cap body at the bottom of the inner body, wig and fixtures, decorative rivet is set in the front cap eaves. In the above way, the multi-function hat with wig can not only meet people's demand for common satisfaction, but also choose different wigs according to their own needs, which can meet both practicality and aesthetics.