The invention discloses multifunctional composite fabric. The multifunctional composite fabric comprises an anti-UV layer, an antibacterial and moisture absorption layer, a waterproof and breathable layer, a temperature regulating layer and adhesive layers, wherein the anti-UV layer is arranged as the outermost layer of the fabric, and the antibacterial and moisture absorption layer is arranged asthe innermost layer of the fabric and fits into skin; the waterproof and breathable layer is arranged between the anti-UV layer and the antibacterial and moisture absorption layer, the temperature regulating layer is arranged between the waterproof and breathable film layer and the antibacterial and moisture absorption layer, and each of the adhesive layers is arranged between every two of the above layers and used for connection; each adhesive layer comprises a plurality of strip-shaped hot-melt adhesive film, the plurality of hot-melt adhesive films are arranged in parallel between every two of the layers, and a plurality of holes are formed in the layers. The multifunctional composite fabric has the advantages of a waterproof and breathable effect and effects of resisting bacteria andregulating temperature and humidity.