A log information issuing device includes a priority information manager in which priority information is stored, a priority of a log message being defined in the priority information, a message queue that has a plurality of queues for storing the log message according to the priority, a message sorting processor that refers to the priority information to store the log message in the message queue, an internal resource information collector that determines a load state of an internal resource from operating information on the internal resource, a log message queue processor that takes out the log message from the message queue, the log obtaining condition defining a condition of the log message is taken out from the message queue according to the load state, and a log processor supplies the log message as the log information, the log message being taken out by the log message queue processor.