Rain gutter roll forming machine including below parts: manual decoiler, leveling feeding system and main rolll forming machine system, and hydraulic cutting system. Rain gutter roll forming machine can produce different types gutters, the square gutter,Half-Round gutter, Copper Half-Round gutter,Vinyl K-Style gutter,Vinyl K-Style gutter,Inside Box Miters gutter,Outside Box Miters gutter and so on.