Disclosed is a foldable anaesthesia machine having an automatic alarm device, comprising a rack (1), an air supply device, an anaesthesia evaporation can (2), an anaesthesia breathing device, a monitoring device, an alarm device and a control system, wherein a storage compartment (3) is arranged in the middle of the rack (1), the anaesthesia breathing device is articulated to the side of the rack (1) close to the storage compartment (3), the anaesthesia evaporation can (2) is arranged on the right side of an upper end of the rack (1), the monitoring device comprises a flowmeter group (4) and a display screen (5), the flowmeter group (4) is arranged on the lower end of the anaesthesia evaporation can (2), the display screen (5) is articulated to the rack (1) above the anaesthesia breathing equipment, and the control system comprises a controller, a signal acquisition circuit, a signal processing circuit and an alarm circuit. Through the control system and alarm device, the operation state of the anaesthesia machine can be monitored at any time, which decreases the working intensity and workload for medical personnel. Using an articulated fixing method to connect the anaesthesia breathing equipment to the display screen (5) can save space and decrease the damage rate of the machine.Linvention concerne une machine danesthésie pliable comprenant un dispositif dalarme automatique, comprenant un râtelier (1), un dispositif dalimentation en air, une cuve dévaporation danesthésie (2), un dispositif de respiration sous anesthésie, un dispositif de surveillance, un dispositif dalarme et un système de commande, un compartiment de stockage (3) étant disposé au milieu du râtelier (1), le dispositif de respiration sous anesthésie est articulé au côté du râtelier (1) près du compartiment de stockage (3), la cuve dévaporation danesthésie (2) est disposée sur le côté droit dune extrémité supérieure du râtelier (1), le dispositif de surveillance comprend un groupe de débitmètres (4)
