The invention discloses PVC guardrail automatic production equipment which includes a feed stirring device, an injection molding cooling device, an extrusion device, a cutting device, a conveying device, a material collecting device, a slanting rod, a support, a baffle, a telescopic rod, a telescopic cylinder, a fixing plate, a rotating shaft, a left side material blocking plate, a right side material blocking plate, a conveying belt, a feeding belt and a drive motor. The PVC guardrail automatic production equipment has the advantages of being simple in structure, reduced in labor cost, high in automation degree, convenient and safe in use, high in working efficiency, and good in cooling effect.