To provide a log information storing and outputting device, log information storing and outputting method and log information storing and outputting program that can perform fast and accurate error analysis even when an error occurs in an application.SOLUTION: A log information storage unit (12) stores log information of an application to which one of the stepwise levels is given regardless of the level of the log information. An output condition setting unit (13) sets an output condition according to the level of the log information. A log information output unit (16) outputs the log information stored by the log information storage unit (12) when the output condition set by the output condition setting unit (13) is satisfied.SELECTED DRAWING: Figure 1
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