A 3-dimensional block type bone graft includes a plurality of first channels extending horizontally in forward and backward directions and arranged at a predetermined interval in left and right directions and upward and downward directions, a plurality of second channels extending horizontally in the left and right directions and arranged at a predetermined interval in the forward and backward directions and the upward and downward directions, and a plurality of third channels extending vertically in the upward and downward directions and arranged at a predetermined interval in the forward and backward directions and the left and right directions, wherein the first channels, the second channels, and the third channels intersect perpendicularly to each other to communicate with each other so that the first channels, the second channels, and the third channels are configured in a 3-dimensional shape.