Provided is a fixing structure of an electric apparatus in an engine compartment provided in a front portion of a vehicle. The fixing structure includes a tray, a removal mechanism, and a protecting plate. The tray is fixed in the engine compartment and configured such that the electric apparatus is placed thereon. The removal mechanism is configured to remove the electric apparatus from the tray when the electric apparatus receives a predetermined impact force or more from a front side of the vehicle. The protecting plate is attached to the electric apparatus, and is configured to abut with a structural object placed at a rear side of the vehicle relative to the electric apparatus when the electric apparatus is removed from the tray due to the impact force so as to move rearward.