PURPOSE: To provide the above composite material which can be molded by simple and rapid curing work, and is excellent in various characteristics such as strength, electric characteristics or the like.

CONSTITUTION: An epoxy resin compsn. containing a compound having at least one epoxy group, a compound having active hydrogen, a silicone compound having or generating a silanol hydroxyl group, an organometal compound, a maleimide compound, particulates and staple fibers is applied to or infiltrated in a sheet like base material composed of a fibrous material. This sheet like base material is dried by air and heated to be formed into a prepreg. Continuously, the prepregs are laminated and heated and/or irradiated with light to be cured.