This report explains difficulties in promoting research activities with outdated research equipment and points out the need for replacing it with new. Because there is no accurate scope for the outdated equipment, it is not easy to set judgment standards for its replacement. Therefore, this report clarifies the concepts of outdated equipment and describes the management procedures needed.

Ⅰ. Background and necessities
Ⅱ. Definition of outdated equipment
Ⅲ. Scope of outdated equipment
Ⅳ. Life cycle of research equipment
Ⅴ. Replacement of outdated equipment
Ⅵ. Management of outdated equipment