The present invention includes a frame, a stage on which the substrate to be dispensed and the viscous liquid to be dispensed is mounted, a head support installed across the top of the stage, and a head movably installed along the head support A viscous liquid dispenser comprising a unit, a syringe unit mounted on the head unit for storing and discharging viscous liquid, and a syringe replacement device for replacing the syringe unit, wherein the syringe unit stores a viscous liquid therein. Becoming syringe; And a discharging part for discharging the viscous liquid supplied from the syringe to the discharging object while communicating with the syringe. The syringe replacement device grips the syringe unit in which the syringe and the discharging part are integrally mounted to the head unit. Or, it provides a viscous liquid dispenser, characterized in that to detach the syringe unit from the head unit.
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