The present invention relates to a fiber impregnation system, which comprises: a, a glue injection box for impregnating fibers by using a resin, wherein the glue injection box is provided with an inlet end, an outlet end, a molding cavity connected to the inlet end and the outlet end and used for passing-through of the fibers, and a glue injection box wall surrounding the molding cavity, the molding cavity comprises a conical section, the conical section has a truncated cone shape and comprises a conical section bottom end surface and a conical section top end surface, the conical section bottom end surface is positioned at the inlet end of the glue injection box, the area of the conical section top end surface is smaller than the area of the conical section bottom end surface, the glue injection box is provided with a glue injection hole for injecting the resin, and a resin flowing channel for the flowing of the resin is arranged in the glue injection box, is communicated to the molding cavity, and is communicated to the glue injection hole; and b: a curing device for curing the resin-impregnated fibers, wherein the curing device comprises a resin-impregnated fiber inlet and at least a curing cavity, and the resin-impregnated fiber inlet and the glue injection box are separately arranged. The fiber impregnation system further comprises a resin collection device and at least aperistaltic pump.