Liquid drop speed monitoring device, including the body, the body passes through the clip centre gripping on the bit drips the kettle, and the middle part of body is provided with infrared correlation switch, the connected signal of infrared correlation switch and singlechip, the signal output part of singlechip is connected with the display screen on the body, will the utility model discloses a clip clamp drips kettle upper portion at the bit of transfer line, and infrared correlation switch measurable is the spot speed accurately to through the bit sum in demonstration screen display shows 1min behind the MCU processing, the singlechip can be predetermine infusion speed, and when the speed measured when the speed sensor was higher than the default or accomplishes the infusion, single chip microcomputer control alarm prompting device reported to the police, gives medical personnel with the alarm signal wireless transmission, the utility model discloses can convenient accuracy, show real -time infusion speed to exceed the speed limit to the infusion and finish to report to the police the suggestion with infusing, and can give the nurse station by wireless transmission alarm signal, need not patient or family members and go to inform medical personnel.