A composite material molded product has a hollow portion, a bent portion, or a curved portion in a transverse section thereof When the composite material molded product has, for example, a bent portion, a surface on an inside of the bent portion is a pressed surface. A mold (10A) includes a pressing body (13A) that is thermally expandable and has an outer surface shape corresponding to a shape of a pressed surface, and a mold main body (a female mold portion (11), a side surface lid mold portion (12), and so on) including a cavity accommodating the laminate (40) and the pressing body (13A) inside, the cavity (11b) including an inner surface shape corresponding to a shape other than the pressed surface. The mold main body is configured such that the cavity is sealed in a state that the pressing body (13A) is disposed in the cavity and the laminate (40) is accommodated in a molding space (15) formed between an inner surface of the cavity and an outer surface of the pressing body (13A). In addition, in the composite material molded product, a surface on an outside of the bent portion or the curved portion may be a pressed surface.
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