A method is provided for editing an optical disc having a plurality of application-functional-layers. The method comprises the steps of obtaining description information of an edit performed on a program data in one of the layers, and generating a sharing information according to the description information in order to correspondingly edit application files in the other layer (s) of the optical disc. With the method and apparatus, the edit performed on one layer of the optical disc may be identified in other functional layer (s) and be used to edit and update the corresponding application files in those layers, so as to avoid conflict between the program data and application file.