Vehicle frame structure

A vehicle frame structure of a vehicle including a roof opening portion, the vehicle frame structure comprising:

• a pair of side rails extending in a vehicle front-rear direction on both sides of the roof opening in a vehicle width direction;
• a plurality of cross members extending in the vehicle width direction and configured to join the side rails to each other;
• and
• a pair of reinforcing members extending in the vehicle front-rear direction on both sides of the roof opening in the vehicle width direction and disposed on an inner side relative to the side rails in the vehicle width direction,
• wherein each of the reinforcing members includes a plurality of coupling portions extending in the vehicle width direction and configured to couple the reinforcing member and the cross members to each other.