A photographing method and a mobile terminal are provided. The photographing method includes: in a state where a first preview interface displays a first preview image collected by a camera, receiving a first input, inputted by a user, of selecting a target region on the first preview interface; in response to the first input, superimposing and displaying a second preview interface on the first preview interface, the second preview interface displaying a second preview image of the target region; receiving a second input inputted by the user; in response to the second input, performing a photographing operation and outputting a target image, wherein the target image is a composite image generated based on image contents displayed on the first preview interface and the second preview interface.