The invention discloses a PC component automatic production line. The PC component automatic production line comprises a specially-shaped component manufacturing region, a laminated pate arranged in front of the specially-shaped component manufacturing region, an outer wall, an inner wall manufacturing region, a cage rib manufacturing region arranged at the right side of the specially-shaped component manufacturing region, and a component stacking region arranged behind the specially-shaped component manufacturing region, wherein the specially-shaped component manufacturing region, the cage rib manufacturing region, the component stacking region, the laminated plate, the outer wall and the inner wall manufacturing region are connected through a rail of a transport mechanism mould table. The invention further discloses a production process for the PC component automatic production line. According to the PC component automatic production line and the production process disclosed by the invention, different station arranging positions are integrated, so that industrialized batch production of PC components is realized, and the PC components are transported to a production site to assemble and splice, and therefore, all residential components can be manufactured, production efficiency is improved, and labor intensity is reduced.