The present invention provides an outer frame and a display device. The outer frame is configured to package an edge of a liquid crystal module and includes at least one sub frame, the sub frame comprises a side plate, a first packaging plate, a second packaging plate and a supporting plate, the side plate, the first packaging plate, the second packaging plate and the supporting plate are formed integrally, a first accommodation groove for accommodating an edge of the liquid crystal module is formed by the side plate, the first packaging plate and the supporting plate, and a second accommodation groove for accommodating an edge of the back cover plate configured to cover the back surface of the liquid crystal module is formed by the side plate, the supporting plate and the second packaging plate.