To provide a manufacturing method for FRP molded article, wherein a trimming of the external edge of a molded artilce is unnecessary.

At least one kind of unhardened layer 2 is formed on the surface of a molding die 1, and one kind or more of the unhardened layer 2 have been hardened or almost hardened, and then, the die is removed for a manufacturing method for FRP molded article by a hand lay-up method or a spray up method, and in this manufacturing method, when the unhardened layer 2 is formed, the molding die 1 in which a partitioning member 3 coming into contact with the external edge of the shape of a molded article to be obtained, is erected, is used, and at the same time, when the die is removed, the partitioning member 3 is separated from the external edge of the molded article.