Products information management assistance apparatus

The disclosed invention provides a technique that assists in selecting a proper standard part independently of production achievements of parts and information which is arbitrarily input by a user regarding specification items to decide on a similarity between parts. Disclosed is a products information management assistance apparatus that decides on standard part information based on past products information records. The apparatus includes a products information storing unit that stores information on parts registered in records such as required specifications in the past, parts organization, parts specifications, and cost; a similarity-between-parts calculating unit that calculates a similarity between parts registered in records from parts specifications, a parts standardization effect calculating unit that calculates an effect if the above parts have been standardized in a scope in which they are grouped by similarity; and a standardization analysis result display unit that displays the parts standardization scope and standardization effect together.