Shell assembly and mobile phone

A shell assembly comprises a shell, a card returning assembly assembled in the shell and a card support inserted into the shell, the shell comprises a middle plate, a frame located on the periphery ofthe middle plate and an insertion hole penetrating through the frame in the longitudinal direction, the card support is inserted into the insertion hole from the longitudinal outer side of the insertion hole, and the card support is inserted into the insertion hole through the insertion hole. A pushed block is integrally arranged on the tail portion of the card support, a pushed inclined face isarranged on one side of the pushed block, the card returning assembly comprises a driving mechanism and a pushing block fixed to a driving shaft of the driving mechanism, and the pushing block is provided with a pushing inclined face corresponding to the pushed inclined face. And the driving mechanism drives the pushing block to move in the transverse direction so as to enable the pushing inclinedplane of the pushing block