A liquid dispensing device comprising: a treatment module configured to generate a sterilized liquid; and a liquid dispenser configured to discharge the sterilized liquid generated in the treatment module, wherein a sterilized liquid module is installed inside the treatment module and includes: an inflow tube into which a liquid can be introduced, the liquid introduced into the inflow tube including at least one of raw liquid from a liquid source or purified liquid that has been passed through a filter; a casing having an inner space configured to receive the liquid introduced into the inflow tube; at least one electrode (1521, 1522) positioned parallel to a longitudinal direction of the casing, installed in the inner space of the casing, and configured to generate the sterilized liquid through electrolysis of the liquid in the inner space of the casing; and a discharge tube; wherein the at least one electrode (1521, 1522) includes a first electrode and a second electrode positioned to be spaced apart from and parallel to the first electrode to face the first electrode; wherein the discharge tube is positioned in a line with respect to the inflow tube and at an opposite side of the casing so that sterilized liquid in the inner space of the casing can be discharged via the discharge tube; characterized in that the first electrode is provided in a flat plate shape and the second electrode includes: a pair of electrode plates (1522a, 1522b) positioned to face each other, and each of the electrode plates (1522a, 1522b) having a flat plate shape; and a bent section configured to connect sides of the electrode plates (1522a, 1522b) to each other. a treatment module configured to generate a sterilized liquid; and a liquid dispenser configured to discharge the sterilized liquid generated in the treatment module, wherein a sterilized liquid module is installed inside the treatment module and includes: an inflow tube into which a liquid can be introduced, the liquid introduced into the inflow tube including at least one of raw liquid from a liquid source or purified liquid that has been passed through a filter; a casing having an inner space configured to receive the liquid introduced into the inflow tube; at least one electrode (1521, 1522) positioned parallel to a longitudinal direction of the casing, installed in the inner space of the casing, and configured to generate the sterilized liquid through electrolysis of the liquid in the inner space of the casing; and a discharge tube; an inflow tube into which a liquid can be introduced, the liquid introduced into the inflow tube including at least one of raw liquid from a liquid source or purified liquid that has been passed through a filter; a casing having an inner space configured to receive the liquid introduced into the inflow tube; at least one electrode (1521, 1522) positioned parallel to a longitudinal direction of the casing, installed in the inner space of the casing, and configured to generate the sterilized liquid through electrolysis of the liquid in the inner space of the casing; and a discharge tube; wherein the at least one electrode (1521, 1522) includes a first electrode and a second electrode positioned to be spaced apart from and parallel to the first electrode to face the first electrode; wherein the discharge tube is positioned in a line with respect to the inflow tube and at an opposite side of the casing so that sterilized liquid in the inner space of the casing can be discharged via the discharge tube; characterized in that the first electrode is provided in a flat plate shape and the second electrode includes: a pair of electrode plates (1522a, 1522b) positioned to face each other, and each of the electrode plates (1522a, 1522b) having a flat plate shape; and a bent section configured to connect sides of the electrode plates (1522a, 1522b) to each other. a pair of electrode plates (1522a, 1522b) positioned to face each other, and each of the electrode plates (1522a, 1522b) having a flat plate shape; and a bent section configured to connect sides of the electrode plates (1522a, 1522b) to each other.