PROBLEM TO BE SOLVED: To provide a resin molded body having strength capable of withstanding a large force and high adhesion of a sheet. SOLUTION: The main body and a decorative sheet 2 that is in close contact with the surface of the main body are provided, and the decorative sheet 2 includes a metallic luster layer 23, a transparent protective layer 20 located outside the metallic luster layer 23, A welding layer 25 that is located inside the metallic gloss layer 23 and is welded to the surface of the main body, and the main body is made of a fiber-reinforced resin having reinforcing fibers, and the boundary portion between the welding layer 25 and the main body. In addition, an anchor structure is provided in which the boundary portion has an uneven shape by the reinforcing fibers of the main body biting into the welding layer 25 side. [Selection diagram] FIG.【課題】大きな力にも耐え得る強度とシートの高い密着性を備えた樹脂成形体を提供する。【解決手段】本体と、本体の表面に密着している装飾シート２と、を備え、装飾シート２は、金属光沢層２３と、金属光沢層２３の外側に位置する透明な保護層２０と、金属光沢層２３の内側に位置し、本体の表面に溶着している溶着層２５と、を有し、本体は、強化繊維を有する繊維強化樹脂製であり、溶着層２５と本体との境界部分に、本体の強化繊維が溶着層２５側に食い込むことによって境界部分が凹凸形状となったアンカー構造を備えている。【選択図】図２
