The invention relates to a preparation process of a novel composite material, in particular to a roll forming technique of a board made of an NiAl-based composite material, which comprises the following steps of: (1) preparing a board made of an aluminium base composite material reinforced by ceramic particles; (2) preparing a nickel-aluminum composite board; and (3) carrying out heat treatment on the nickel-aluminum composite board. The invention solves the preparation problem of the board of the NiAl-based composite material and is mainly applied to the roll forming of the board made of the NiAl-based composite material.