PURPOSE: To improve the validity related to analysis of the abnormality factors and also to contribute to prevention of reccurrence of the abnormality by monitoring and recording a photographing object when true occurrence or abnormality or the object is estimated.

CONSTITUTION: A monitoring device includes plural sate signal input means 13 which individually input the state signals of the monitoring objects 13 included in every photographing area, and the photographing area selection means 7 and 8 which select the necessary photographing areas and ITV cameras 1i based on those state signals supplied from the means 13.