A useful body library having a data structure is prepared. In the data structure, characteristic data expressing a characteristic of a useful body used in object recognition with a computer and containing substance data expressing a kind and a content of a recyclable specified substance contained in the useful body are associated with each other in each kind of the useful body with respect to the useful body, the useful body being a constituent component of an electronic device and an electronic device, the electronic device and the electronic device containing the specified substance. An electronic device analysis device specifies which one of useful bodies an analysis object corresponds to by comparing information acquired from the analysis object with characteristic data of each useful body in the useful body library, and decides the kind and content of the specified substance contained in the analysis object by acquiring the containing substance data of the corresponding useful body from the useful body library.
展开▼
