To provide a time series data storing and displaying system capable of storing and redisplaying time series data in order to analyze the cause of occurrence of an alarm or the like even after the occurrence of the alarm or the like and storing and redisplaying the time series data by predicting the occurrence of a problem.

A storage data address file is prepared from variable pat display information corresponding to the picture number of a picture to be stored under a previously prepared storing condition out of a pattern data file in each picture number, a time series data file is prepared by time-sequentially acquiring the data of addresses stored in the storing data address file, time series data corresponding to the picture number concerned in the time series data file are extracted as display picture data, and a display picture is prepared and displayed in accordance with the fixed part display information and the variable part display information acquired from the pattern data file.