The utility model relates to an instant deodorizing and water saving device, which is suitable for being arranged in a hole. The instant deodorizing and water saving device comprises a cover, a deodorizing material and a ventilating unit.The cover includes a cover body suitable for covering the hole, which has a top surface with a central bulge to guide the flow of liquid from the center to the peripheral side, and a holding space with an opening downward.The odor inhibiting material is arranged in the holding space to suppress peculiar smell.The ventilating unit is connected to the cover and closes the holding space, so as to maintain the deodorizing material in the holding space, and the ventilating unit can supply air to pass through so as to enable air to circulate in the holding space.一種即時抑臭省水裝置，適用於設置在一孔洞，該即時抑臭省水裝置包含一覆蓋件、一抑臭材料及一透氣單元。該覆蓋件包括一適用於遮蓋該孔洞的蓋體，該蓋體具有一呈中央隆起以導引液體由中央往周側流動的頂面，及一開口朝下的容置空間。該抑臭材料設置於該容置空間，用以抑制異味。該透氣單元連接於該覆蓋件並封閉該容置空間，以將該抑臭材料保持在該容置空間內且該透氣單元能供空氣通過以使空氣能在該容置空間流通。
