The medical dressings with temperature regulating function can promote wound recovery and cure chronic diseases. To address the outdoor heat source of thermal compress film, Kevlar nanofibrous film (AKD) containing n-Docosane (DE) and silver nanowires (AgNWs) with active photo-thermal conversion and thermal energy storage properties was developed. The results shown that DE and AgNWs were wrapped in Kevlar nanosheets through entanglement and extensive hydrogen-bonding interaction, and AKD film presented the layered structure. Due to the formation of non-melting layer, the melting latent heat of AKD film containing 58 wt% of DE without leakage is 105.1 J·g−1. The as-prepared film also presents enviable photothermal conversion efficiency of 88.5 %, impressive tensile strength of 26.15 MPa and high flexibility even at temperatures below the melting point of DE. Moreover, the pilot-scale film with the thickness of 1.54 mm can rapidly rise to 50 °C in 402 s and maintain the temperature from 50 °C to 37 °C for about 18 min. The excellent heat storage capacity, impressive mechanical and flexible properties, rapid photo-thermal response and stable heat release performance make it promising to be used as thermal compress therapy.