Early warning system for guaranteeing sterility of famotidine injection

The invention relates to the technical field of injection visual inspection, in particular to an early warning system for guaranteeing sterility of famotidine injection, which comprises a detection fixing module, a visual inspection module, an image analysis module, an early warning judgment module and an early warning module, and is characterized in that the detection fixing module fixes an ampoule bottle and controls the position and oscillation of the ampoule bottle; the visual detection module is used for acquiring an analysis image and a chromatogram of the ampoule bottle; the image analysis module is used for analyzing the image features to determine the abnormal pollution tendency so as to classify the injection; the early warning judgment module is used for determining a corresponding analysis mode according to the injection pollution tendency category so as to judge whether an early warning is given out or not; the early warning module is used for sending out an early warning signal; according to the