Door structure of vehicle

A door structure of a vehicle, comprising:

• a door body portion comprising a door inside face portion constituting an inside, in a vehicle width direction, of a door, a door-hinge attachment face portion extending toward an outside, in the vehicle width direction, of the door from the door inside face portion, where a door hinge is fixed, and a door flange portion longitudinally extending in a direction away from a door center from an outside end portion, in the vehicle width direction, of the door-hinge attachment face portion;
• an impact bar extending in the longitudinal direction and fixed inside the door body portion;
• and
• a hinge reinforcement provided at the door-hinge attachment face portion inside the door body portion,
• wherein said hinge reinforcement comprises a reinforcement face portion which faces said door-hinge attachment face portion, an inside connection portion which longitudinally extends in a direction approaching the door center from an inside end portion, in the vehicle width direction, of said reinforcement face portion and is fixed to said door inside face portion, a first joint portion which longitudinally extends in the direction approaching the door center from said reinforcement face portion and is fixed to said impact bar, and a second joint portion which longitudinally extends in the direction away from the door center from an outside end portion, in the vehicle width direction, of said reinforcement face portion and is fixed to said door flange portion.