A multi-point thin portion compression molding method and apparatus in which a plurality of ultra thin portions can be formed by compression molding. Mold apparatuses are opened/close to each other to form a cavity space having a molded material therebetween, at least one movable telescopic member passes through one metal mold and protrudes toward the other metal mold, the central and outer periphery of the telescopic member are provided with vent portions, and recess portions are formed on the metal mold contacting the vent portions to allow molten resin to escape, and the recess portions adjust a pressure applied to the cavity space by the compressing operation of the telescopic member.