The utility model relates to a multifunctional tooth punching device, which is a green energy water-saving product, comprising a carrying box, a joint, a thin water pipe, a spray head and a butterfly clip. It is exquisite, small and convenient to carry with you. Using the principle of a water knife, the joint of the water punching device is sleeved on the water outlet, and the butterfly clip is used to fasten it on the water outlet. By the water pressure in the original water pipe, the strong water column can be ejected. Keep your teeth clean at all times.一種多功能沖牙器，是一綠能節水產品，包括：一承裝盒、一接頭、一細水管、一噴水頭、一蝴蝶夾所組成，精緻巧小方便隨身攜帶，運用水刀原理，將沖水器接頭套接在出水龍頭上，運用蝴蝶夾將它束緊在出水龍頭上，藉原水管內的水壓，能噴出強勁水柱，達到隨時維護牙齒清潔目的。
