The present invention is a high-pressure water toothbrush structure and a U-shaped spray tank structure, comprising: an operating handle, and a U-shaped spray tank disposed on one side of the operating handle, the U-shaped spray tank has two mutual A first side wall and a second side wall facing each other. Further, a plurality of liquid nozzles are respectively disposed on the inner side walls of the first side wall and the second side wall. Through the implementation of this creation, the tooth surface and the tooth gap inside and outside the tooth can be simultaneously flushed simultaneously for the purpose of quickly and effectively cleaning the tooth.本創作為一種高壓水牙刷結構及其U型噴洗槽結構，其包括：一操作手柄，以及一U型噴洗槽，其設置於操作手柄之一側，U型噴洗槽具有兩個相互面對的一第一側壁及一第二側壁。又於第一側壁及第二側壁之內側壁上，分別設有複數個液體噴嘴。藉由本創作之實施，可以同時同步對牙齒內部及外部的齒面及齒縫進行沖洗，以達快速有效清潔牙齒之目的。
