The present disclosure relates to a fixing frame and a battery pack. The fixing frame comprises a top connecting frame comprising two or more fixing plates spaced apart from each other in a first direction and a connecting component connecting the two adjacent fixing plates, the connecting component comprising a recess portion and an adapter portion, the recess portion being recessed in a second direction and the adapter portion being connected to both sides of the recess portion in the first direction, and the connecting component being connected to the two adjacent fixing plates via the adapter portion; and locking plates provided on the top connecting frame and extending along the second direction, the locking plate comprising in the second direction a first end connected to the top connecting frame and a second end connectable to an external structural member; wherein the first direction intersects the second direction.