A mold for manufacturing a composite material molded product, adapted to manufacture a composite material molded product having a cross-sectional shape including at least one of a hollow, a bent portion, and a curved portion in a transverse section thereof, the mold being configured to heat curing a laminate of prepregs obtained by impregnating a fiber material with a thermosetting resin composition and half curing the thermosetting resin composition, wherein the mold comprises: a pressing body (63A, 63B) including an expansion core part (71, 73) that expands itself, and a pressure distribution part (72, 74) that is provided on a side of the composite material molded product with respect to the expansion core part (71, 73) and distributes pressing force by the expansion core part (71, 73) to the entire pressed surface, wherein when a surface on an outside of the hollow side, the bent portion, or the curved portion or an inside of the hollow, the bent portion, or the curved portion is a pressing surface in the transverse section of the composite material molded product, the pressing body (63A, 63B) has a pressure molding surface having a shape corresponding to a shape of the pressing surface; and a mold main body (60A, 60B) provided with a cavity accommodating the laminate and the pressing body (63A, 63B) inside, the cavity including an inner surface shape corresponding to a shape other than the pressing surface, wherein in the mold main body (60A, 60B), in a state that the pressing body (63A, 63B) is disposed in the cavity, the laminate is accommodated in a molding space formed between an inner surface of the cavity and an inner surface of the pressing body (63A, 63B), wherein the cavity accommodating the laminate of prepregs is formed between a first mold portion and a second mold portion, the expansion core part (71, 73) and the pressure distribution part (72, 74) are disposed in the cavity, and the pressure distribution part (72, 74) is disposed in contact with the laminate of prepregs. a pressing body (63A, 63B) including an expansion core part (71, 73) that expands itself, and a pressure distribution part (72, 74) that is provided on a side of the composite material molded product with respect to the expansion core part (71, 73) and distributes pressing force by the expansion core part (71, 73) to the entire pressed surface, wherein when a surface on an outside of the hollow side, the bent portion, or the curved portion or an inside of the hollow, the bent portion, or the curved portion is a pressing surface in the transverse section of the composite material molded product, the pressing body (63A, 63B) has a pressure molding surface having a shape corresponding to a shape of the pressing surface; and a mold main body (60A, 60B) provided with a cavity accommodating the laminate and the pressing body (63A, 63B) inside, the cavity including an inner surface shape corresponding to a shape other than the pressing surface, wherein in the mold main body (60A, 60B), in a state that the pressing body (63A, 63B) is disposed in the cavity, the laminate is accommodated in a molding space formed between an inner surface of the cavity and an inner surface of the pressing body (63A, 63B), wherein the cavity accommodating the laminate of prepregs is formed between a first mold portion and a second mold portion, the expansion core part (71, 73) and the pressure distribution part (72, 74) are disposed in the cavity, and the pressure distribution part (72, 74) is disposed in contact with the laminate of prepregs.