Picture library content processing method and apparatus, and mobile device

The invention relates to a picture library content processing method and apparatus, and a mobile device. The picture library content processing method comprises the steps of selecting picture library contents needed to be hidden according to selection operation of a user; receiving a picture library content hiding instruction, and marking the hiding instruction as a first instruction; when the first instruction is received, prompting the user to input a hidden password; receiving the hidden password input by the user; cutting the selected picture library contents to a predetermined folder in which a folder .nomedia is set, and encrypting the predetermined folder by using the hidden password. According to the method and the apparatus provided by embodiments of the invention, the user can hide the picture library contents the user does not want others to see, and the folder for storing the hidden picture library contents is encrypted through the hidden password, so that private contents in a picture library are