The present invention relates to a mosquito killing device comprising a receiving groove, a releasing member, a warning indicator and a calibration member. The accommodating groove has a bottom portion and a peripheral portion, the bottom portion is connected with the peripheral portion to form an accommodating space, the peripheral portion has an inner surface and an outer surface, and the releasing member is disposed on the bottom portion, and has an anti-mosquito agent and a covering portion, and the anti-mosquito agent is disposed. The warning member is disposed on the inner surface or the outer surface of the peripheral portion； the calibration member is disposed on the inner surface of the peripheral portion. In this way, the mosquito killing device releases the insecticide by releasing the component to achieve mosquito killing and attention, and the warning label can indicate that the insecticide is contained in the receiving tank to avoid accidental touch. The slot caused unnecessary damage.本創作關於一種滅蚊裝置，包括容置槽、釋出構件、警告標示件及標定構件。容置槽具有底部及周緣部，底部與周緣部相連接形成容置空間，周緣部具有內表面及外表面；釋出構件設置於底部上，具有滅蚊蟲劑及包覆部，滅蚊蟲劑設置於包覆部內；警告標示件設置於周緣部的內表面或外表面上；標定構件設置於周緣部的內表面上。藉此，本創作滅蚊蟲裝置藉由釋出構件來釋放滅蚊蟲劑以達到滅蚊蟲及孓孑目的，且警告標示件可標示容置槽中已承裝滅蚊蟲劑，以避免誤觸容置槽造成不必要的損失。
