A device having a medical liquid infusion alarm function, comprising a power supply module, a weighing module, a single chip processing module, a medical liquid container mode selecting module, and an alarm module. The weighing module, the medical liquid container mode selecting module and the alarm module are respectively connected to the single chip processing module. The power supply module is connected respectively to the weighing module and the single chip processing module, and supplies power. The weighing module is used to measure the weighs of a medical liquid container and an infusion set connected to the medical liquid container. The medical liquid container mode selecting module is provided with mode buttons for different fixed alarm weights according to different capacities and package methods of medical liquid containers. The device having a medical liquid infusion alarm function is used for alarming when the medical liquid infusion is about to complete. This can remind the nursing staff that the medical liquid infusion is about to complete, such that the nursing staff is able to notify the medical staff to replace the medical liquid or withdraw the needle. Said device is also capable of sending out an alarm signal when the medical liquid infusion is impeded.La présente invention concerne un dispositif à fonction dalarme de perfusion de liquide médical, comprenant un module dalimentation électrique, un module de pesée, un module de traitement monopuce, un module de sélection de mode de récipient de liquide médical, et un module dalarme. Le module de pesée, le module de sélection de mode de récipient de liquide médical et le module dalarme sont connectés respectivement au module de traitement monopuce. Le module dalimentation électrique est connecté respectivement au module de pesée et au module de traitement monopuce, et fournit de lénergie électrique. Le module de pesée est utilisé pour peser un récipient de liquide médical et un ensemble de perfusion
