A housing includes a base housing and a reinforcing frame fixed with the base housing. The base housing includes a base plate, a peripheral sidewall extending outward from a peripheral edge of the base plate, and an inclined supporting peripheral wall extending inward from a distal end of the peripheral side wall toward a central portion of the base plate. The reinforcing frame is securely mounted on the inclined supporting peripheral wall of the base housing. The reinforcing frame includes a mounting portion having an inclined bottom surface resisting against and fixing with the corresponding inclined supporting peripheral wall of the base housing. An electronic device using the housing is also provided.