In order to provide a case history retrieval method and a case history retrieval system which provide a case history of an analysis device or a pre-treatment, etc., associated with a sample which a user wishes to analyze, with respect to an analysis case history for a presented sample, a retrieval unit 29 interprets meaning content contained in a retrieval string inputted by the user, and on the basis of a result of said interpretation, retrieves an analysis case history relating to a sample which coincides with or is similar to the presented sample, out of analysis case histories accumulated in advance in databases A, B, and outputs the retrieved analysis case history.
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