A thumbnail display control method and a mobile terminal. The method comprises: receiving a first input of a user on a thumbnail identification in a shooting preview interface (101); displaying a number N of thumbnails in response to the first input (102); receiving a second input of the user on a first thumbnail in the N thumbnails (103); and displaying original data of the first thumbnail in response to the second input, the original data comprising an images and a video, and the original data of the first thumbnail and the N thumbnails being displayed on the same screen (104).