A biological information monitoring system includes: an alarm generator which generates an alarm signal indicative of an abnormality of biological information of a patient, or an abnormality of a unit related to monitoring of biological information of a patient, or an abnormality due to an operation of a unit related to monitoring of biological information of a patient a first output generator which performs a first output based on the alarm signal a detector which detects information related to the first output a second output generator which performs a second output being independent from the first output and a warning controller which controls the second output generator to perform the second output based on the detected information related to the first output.
