The present invention is a tooth root canal treatment mobile phone water supply structure, comprising a body for hand holding operation, the body is provided with a movement, the front end of the movement can be installed with a tube needle, the front part of the movement a water supply pipe is provided, the nozzle is provided with a nozzle facing the root canal, and the rear end of the water supply pipe is provided with a connecting end, the connecting end can be sleeved with a conveying pipe; during the root canal treatment, the medical device can be processed The control of the personnel is timely to deliver a sterile water (or syrup) from the delivery pipe into the water supply pipe, and then sprayed by the nozzle to clean the root canal needle and the root canal of the tooth, so that the medical process is smoother and more convenient.本創作係為一種牙齒根管治療手機給水構造,包含有一可供手握持操作之機體,該機體內部設有一機芯,該機芯前端可供安裝一根管銼針,該機芯前段內部設有一給水管,該給水管前端設有一噴嘴朝向根管銼針,該給水管後端設有一啣接端,該啣接端可套接一輸送管;在根管治療過程中,可經由醫療人員之控制適時的由輸送管輸送一無菌水(或藥水)進入給水管,再由噴嘴噴出以清洗根管銼針及牙齒根管,使醫療過程更為順利、方便。