A lens module includes a lens barrel, a first lens, a second lens, a plurality of electrostrictive members and a controlling unit. The first lens has a first optical axis thereof, the second lens has a second optical axis thereof, the first and second lenses being received in the lens barrel. The electrostrictive members are arranged in the lens barrel and connected with the second lens. The controlling unit is configured for controlling the electrostrictive members so as to adjust the second optical axis of the second lens to be in alignment with the first optical axis of the first lens. A camera module using the lens module is also provided.