The utility model provides a continuous coagulation system of dope, including cogulating tank, be provided with spinneret and godet roller in cogulating tank both ends, be provided with into discharge gate and inlet outlet and accuse warm water pipe, the continuous one -level cogulating tank of coagulation system for being equipped with a plurality of magnetic stirrers in the perpendicular to cogulating tank axial, cogulating tank is provided with to keep warm and presss from both sides the cover, cogulating tank's upper end be provided with the discharge gate under, the tip be provided with the feed inlet. The process of solidifying is gone on in same section cogulating tank. The advantage does the utility model discloses a solidifying in succession of polyacrylonitrile solution, and coagulating bath concentration demonstrates the graded distribution, the utility model discloses setting up the multistage technique of solidifying and solidifying for the one -level, realized becoming more meticulous of equipment, simple structure can put on -line continuous production into production, easy operation, and the practicality is strong, low in production cost.