Embodiments provide a camera assembly, which is configured to be detachably mounted on a mobile terminal body. The camera assembly includes a housing, a photographing unit, and a mounting kit, where the photographing unit is disposed in the housing and is configured to capture a picture and transmit the captured picture to the mobile terminal body, and the mounting kit is disposed on the housing and is configured to be detachably mounted on the mobile terminal body, so as to detachably mount the camera assembly to the mobile terminal body.