A portable liquid medicine administration device for continuous or intermittent administration of a liquid medicine into a living body includes: a liquid medicine administration device main body filled with the liquid medicine； and a cradle to which the liquid medicine administration device main body is attachable and detachable. The liquid medicine administration device main body includes: an alarm unit configured to output an alarm on a basis of a notification event occurring while the liquid medicine administration device main body is attached to the cradle； and an alarm control unit configured to stop the alarm on a basis of a change occurring in a relative position between the cradle and the liquid medicine administration device main body.
