The invention discloses a double reflection crack prevention structure for preventing reflection cracks of a composite pavement and an implementation method thereof. The double reflection crack prevention structure sequentially comprises a pitch upper layer, an upper reflection crack prevention layer, a pitch lower layer, a lower reflection crack prevention layer, a cement concrete face and a road bed from top to bottom. The invention provides the structure system consisting of upper and down double reflection crack prevention layers for the first time, which can effectively solve the problem of reflection crack of the composite pavement. If two pitch surface layers are arranged, the pitch surface layers can be laid in two steps, namely the pitch surface layers are laid by a two-stage method, and a relatively good reflection crack prevention effect is achieved. The double reflection crack prevention structure for preventing reflection cracks of a composite pavement and the implementation method thereof are convenient and practical, have remarkable effect and are easy to popularize.