PURPOSE: To furnish an accumulator fuel injection device capable of preventing outflow of fuel due to damage to a fuel pipe between a high pressure pump and a common rail.

CONSTITUTION: A common rail 19 to pressure-accumulate high pressure fuel is connected to a high pressure pump 1 through fuel, supply pipes 17, 18. Additionally, injection valves 25 provided on each of cylinders of an engine are connected to the common rail 19 through branch pipes 24. Check valves 21, 23 are provided on an edge part of the side of the common rail 19 of the fuel supply pipes 17, 18, and supply of fuel from the high pressure pump 1 to the common rail 19 is allowed by the check valves 21, 23 and simultaneously, passing of fuel from the common rail 19 to the high pressure pump 1 is regulated.