Abstract: A garbage disposer includes a pulverizing unit, adapted to communicate with a basin of a sink through a drain hole of the basin, for pulverizing the garbage charged through the drain hole together with water, a straining unit, connected to the pulverizing unit through a transporting mechanism, the straining unit including a straining casing, a straining drum, supported within the straining casing for rotation about a horizontal axis, and a motor for rotating the straining drum, the straining drum having a circumferential face with a multiplicity of perforations formed therethrough for straining out the garbage pulverized in the pulverizing unit.