1. A name management method for burst shot for use in an electronic device, comprising: performing a burst shot to continuously capture a group of a plurality of images in sequence; naming each of the images in the group with a same prefix, and a respective infix, wherein the infixes of the respective images are progressively increased along the period of the burst shot, and the infix of the respective image comprising a first part of at least one second predefined text and a second part of a number corresponding to the capture order of the respective image in the group; selecting one of the images within the group as a cover image of the group; adding a specific postfix to the name of the selected image, determining whether a burst bit of the selected image is not enabled; and if the burst bit of the selected image is not enabled, retrieving and grouping images having a name comprising the prefix corresponding to the selected image and the at least one second predefined text, and enabling the burst bit of each grouped image.