Detachable panel light

A panel light being detachable, comprising an outer casing, a plurality of light emitting members, and a magnetic member, wherein the outer casing comprises a receiving groove, and the outer casing comprises a detachable covering plate assembled at the receiving groove and a plurality of holding members respectively assembled at two sides of the detachable covering plate, each of the holding members is assembled with a magnetic member, one of two opposite surfaces of each of the magnetic members is attached on an inner surface of the receiving groove, the other surface of each of the magnetic members is attached to the corresponding holding member, each of the holding members has two arms, each end of the two arms is bent to form a hook portion, the light emitting members are assembled in the receiving groove of the outer casing, each of the light emitting members comprises a supporting frame assembled with the holding members, a light source plate on the supporting frame, and a lightshade assembled on the supporting frame to cover the light source plate, the two hook portions of each of the holding members are engaged with two sides of the corresponding supporting frame, wherein the outer casing comprises a fixing frame, wherein the fixing frame is locked on the inner surface of the receiving groove, covered by the detachable covering plate, located in a space between the outer casing and the detachable covering plate, and located between the light emitting members, wherein the fixing frame is located in a valley portion of the detachable covering plate.