A medical monitoring apparatus that monitors a status of a patient according to biological information of the patient includes a reliability evaluator 510 configured to obtain first biological information measured by a bedside monitor 200 and second biological information measured by a wearable sensor 300, and to evaluate a reliability of the second biological information according to a correlation between the first biological information and the second biological information, the first biological information and the second biological information belonging to an identical measurement item, and an alert determinator 600 configured to determine, using the first biological information and the second biological information, whether to issue an alert about an abnormality under a condition that depends on the reliability.