To provide a merchandise retrieval device and a merchandise retrieval method that contribute to improvement in searcher's convenience in merchandise retrieval.

A merchandise retrieval device includes a component database 10, retrieval form selection means 2, retrieval means 6 for, under a selected retrieval form, extracting merchandise which satisfies retrieval conditions in the retrieval form from the component database 10, and determination means 7 for determining, as a target merchandise, a single merchandise from among the merchandise group extracted by the retrieval means 6. With this, under a retrieval form which a merchandise searcher requires, he/she can extracts a merchandise satisfying retrieval conditions in the retrieval form from the component database 10. Compared with a case where, for example, a searcher cannot select a retrieval form, convenience in merchandise retrieval is improved.