Lightweight non-flash sanitary toilet

The utility model relates to a light flushing-free sanitary toilet, which is characterized in that a water closet is arranged on a casing; a plastic bag is folded and sheathed in the outer side of the water closet; the plastic bag is arranged in the water closet from the outer side of the water closet and around the upper edge of the water closet; the lower part of the water closet is provided with a traveling sealing mechanism; the traveling sealing mechanism is provided with two movable rollers and two cinctures which make relative movement to squeeze the advancing of the plastic bag. When the movable rollers stop moving, the plastic bag is clamped by a set of chucks. After using the light flushing-free sanitary toilet, a user touches a control switch and the plastic bag is driven by the traveling sealing mechanism to complete one stroke. In the progress of the stroke, the plastic bag is loosened and the light flushing-free sanitary toilet allows feces to pass through the traveling sealing mechanism. When the stroke is finished, the plastic bag is clamped and sealed by the traveling sealing mechanism to prevent stink from leaking.