The invention discloses a spinning system based on a solution spinning technology, which comprises a cylindrical shell and spinning equipment; the cylindrical shell is provided with a cylindrical hollow cavity used for mounting a dividing plate and a filter plate, and a spinneret plate communicated with an outflow pressure cavity and used for spraying a spinning solution is arranged at the bottomof the cylindrical shell along the axial direction of the cylindrical shell; a thermal balance mechanism for keeping optimal spinning temperature of the spinning solution constant continuously coversthe cylindrical shell along the axial direction of the cylindrical shell. The spinning system is simple in structure and good in sealing reliability, constant temperature of the spinning solution canbe ensured with spinning efficiency effectively improved, optimal spinning temperature is attained, and physical and mechanical properties of finished yarns are greatly improved.