Alarm system for automatically calling foreground after fixed infusion is finished

The utility model provides an alarm system of a fixed infusion end automatic calling foreground, which comprises a monitoring device arranged on an infusion tube and used for monitoring the infusion progress and automatically giving out alarm sound when the infusion is monitored to be finished; the calling device can send alarm information to the terminal equipment so as to remind medical workers that the infusion of the patient is completed; and the alarm device is arranged near the calling device and is used for collecting external sound and identifying and judging the external sound, and when the external sound is judged to be alarm sound, the calling device is triggered to send alarm information to the terminal equipment. The alarm device collects and recognizes alarm signals sent by the monitoring device in real time, controls and triggers the calling device according to recognition results, automatically transmits infusion ending information to a nurse station, achieves unattended operation of infusion