Mobile phone shell with movable lens

A mobile phone shell with a movable lens includes a vertical rectangular back panel, wherein an encircling buckling ring piece protrudes backwards from the periphery of the back panel; a horizontally extending pushing button mounting slot hole is formed at the top of the back panel; a lens window and a pushing button sliding chute are respectively formed at the left and the right parts of the pushing button mounting slot hole; a pushing button is arranged in the pushing button sliding chute; and one end of the pushing button is combined with a lens and extends into one side of the lens window. During use, the back panel and the buckling ring piece are buckled with a camera phone for fixation, so that a lens of the camera phone can be used to take pictures through the lens window; and when macro photography, telephotography or other functions are needed, a user can simply push the pushing button to move the lens to the position in front of the lens of the camera phone, so that better macro magnification and te