CROSS MEMBER STRUCTURE OF VEHICLE BODY

A cross member structure of a vehicle body includes a floor panel () provided below a vehicle interior in the vehicle body (); side sills () that are provided on both sides of the floor panel () in a vehicle width direction and extend in a front-rear direction of the vehicle body (); a cross member () that extends in the vehicle width direction and connects the side sills () to each other; and a reinforcement () that is provided between the cross member () and the floor panel () and extends in the vehicle width direction, wherein the cross member () includes a curved portion () that is curved to at least one side in a vertical direction of the vehicle body () outward from the reinforcement () in the vehicle width direction.