A picture display method, applied to an electronic device, the method comprising: starting a gallery application; displaying a first interface of the gallery application, wherein the first interface comprises a first thumbnail, and the first thumbnail is a thumbnail corresponding to a first video; detecting a first input operation performed by a user on the first thumbnail; obtaining, based on a group ID of the first video, thumbnails of N associated pictures associated with the first video, wherein the associated pictures are captured pictures in a recording process of the first video, the group ID is used to identify the first video, and N is an integer greater than 0; displaying a video playback interface of the first video, wherein the video playback interface comprises a first display box, a second display box and a first positioning control, the first display box is used to display an image of the first video, and the second display box is used to display the thumbnails of the N associated pictures; detecting a second input operation performed by the user on the first positioning control, wherein the first positioning control indicates a first target thumbnail, and the first target thumbnail is a thumbnail in the second display box; obtaining a storage path of a first associated picture from the second information based on the first target thumbnail, wherein the second information is information in the media information library, the second information comprises the mapping relationship among the group ID of the first video, a storage path of the N associated pictures, and the thumbnails of the N associated pictures, and the first target thumbnail is a thumbnail of the first associated picture; retrieving the first associated picture based on the storage path of the first associated picture; and displaying a first preview interface, wherein the first preview interface comprises a first picture preview box and the second display box, wherein the first picture preview box is used to display the first associated picture, the first positioning control indicates the first target thumbnail, the first target thumbnail is the thumbnail in the second display box, and the first target thumbnail is the thumbnail of the first associated picture. starting a gallery application; displaying a first interface of the gallery application, wherein the first interface comprises a first thumbnail, and the first thumbnail is a thumbnail corresponding to a first video; detecting a first input operation performed by a user on the first thumbnail; obtaining, based on a group ID of the first video, thumbnails of N associated pictures associated with the first video, wherein the associated pictures are captured pictures in a recording process of the first video, the group ID is used to identify the first video, and N is an integer greater than 0; displaying a video playback interface of the first video, wherein the video playback interface comprises a first display box, a second display box and a first positioning control, the first display box is used to display an image of the first video, and the second display box is used to display the thumbnails of the N associated pictures; detecting a second input operation performed by the user on the first positioning control, wherein the first positioning control indicates a first target thumbnail, and the first target thumbnail is a thumbnail in the second display box; obtaining a storage path of a first associated picture from the second information based on the first target thumbnail, wherein the second information is information in the media information library, the second information comprises the mapping relationship among the group ID of the first video, a storage path of the N associated pictures, and the thumbnails of the N associated pictures, and the first target thumbnail is a thumbnail of the first associated picture; retrieving the first associated picture based on the storage path of the first associated picture; and displaying a first preview interface, wherein the first preview interface comprises a first picture preview box and the second display box, wherein the first picture preview box is used to display the first associated picture, the first positioning control indicates the first target thumbnail, the first target thumbnail is the thumbnail in the second display box, and the first target thumbnail is the thumbnail of the first associated picture.