A liquid dispenser (1), comprising:a container (200) configured to store liquid and having an upper rim (230) defining an upper opening;a base (100) to support the container (200) and having a thermoelectric device (191 b) to change a temperature of the liquid in the container (200);a pump (192) having an inlet (192c) to suction liquid stored in the container (200) and an outlet (192a) to discharge the liquid;a filter assembly (300) having at least one first filter (310, 326, 325a) and being supported on the upper rim (230) of the container (200), the filter assembly (300) having an inner opening (311, 321), a bottom surface (312, 322) surrounding the inner opening (311, 321), and an inclined wall (313, 323) extending from the bottom surface (312, 322) and being supported by the upper rim (230) of the container (200); anda dispensing assembly (400) to cover the inner opening (311, 321) of the filter assembly (300) such that the dispensing assembly (400) and the filter assembly (300) close the upper opening of the container (200), the dispensing assembly (400) having a top plate (420), the top plate (420) having a hole (421) communicating with the outlet (192a) of the pump (192) such that the liquid pumped by the pump (192) spreads over the top plate (420), cascades to the filter assembly (300) to be filtered by the first filter (310, 326, 325a), and returns to the container (200).