1. An observed object growing analyzing system comprising: a plurality of cases for growing observed objects; conveying means for conveying said plurality of cases; image acquisition means outputting electronic image information on the observed objects in said plurality of cases; means processing an image acquired by said image acquisition means; first storing means temporarily storing a processed result by said image processing means; means controlling a conveying amount for evaluating based on said temporarily stored result whether the conveying amount of said case is suitable or not, and when determining it is not suitable, correcting the position of said case; and second storing means acquiring electronic image information on the observed objects in said plurality of cases again by said image acquisition means in the corrected case position and storing image information acquired again and image information when determining the conveying amount of said case is suitable.