The utility model relates to a quantitative drip injection device, which comprises an electric control unit, a infusion unit and a shell unit, wherein the electric control unit is embedded in the shell unit, and the exposed power switch and the key panel are embedded on the wall of the shell unit.The injection unit is fixed in the shell unit with screws, and is electrically connected in series with the electric control unit with flexible wires.According to the needs of patients, we can select the button of the electronic control unit to make the infusion unit run at different rates, so that we can accurately infuse the drops into the body, which is more convenient and safe in use.一種定量點滴注射裝置，係包括一電控單元、一輸注單元及一機殼單元，其中電控單元係嵌設在機殼單元內部，顯露在外的電源開關與按鍵面板均係嵌設在機殼單元的壁上。輸注單元則是採用螺絲固設在機殼單元內部，並以撓性導線與電控單元作電性串接。點滴注射依據患者需求，可選擇電控單元的按鍵，使輸注單元以不同的速率運轉，故能精確的將點滴液輸注到體內，在使用上更為簡便、安全。
