An improvement of drip syringe control device is disclosed, in which the control device is arranged in a drip storage cup, and a drip outlet is arranged at a bottom of the drip storage cup. The control device includes a floating device and a plug device. The floating device has a hollow floating part and a water stopping part. A floating plate is arranged on the top surface of the floating part, and a hollow sleeve part is extended downward from inner part of the floating part. A sleeve hole is formed on an end of the sleeve part. A connection part is extended upward from the water stopping part, and the connection part is inserted and fixed on the sleeve part through the sleeve hole. The plug device is arranged at the bottom of the drip storage cup, and has a hollow plug cover. A water stopping port is arranged on a top end of the plug cover to cover the drip outlet.一種點滴注射器控制裝置的改良,該控制裝置設置於一點滴儲存杯中,該點滴儲存杯底部設有一滴液出口,該控制裝置包含有一浮動裝置與一止塞裝置,該浮動裝置具有一中空的浮體件與一止水件,該浮體件頂面設置有一浮板片,且於該浮體件內部往下延伸有一中空的套接件,該套接件末端形成一套接口;該止水件往上凸伸出一連接件,並藉該連接件由該套接口插入並固定於該套接件中;該止塞裝置設置於該點滴儲存杯底部並具有一中空的止塞罩,該止塞罩於頂面設有一止水口並罩蓋住該滴液出口。10...點滴儲存杯20...浮動裝置210...浮體筒211...浮板片212...凸緣220...板體221...凸緣223...止水抵塊30...止塞裝置31...止塞罩311...止水口40...尖狀接頭60...引流管61...輸液管
