Folder management method and device

A folder management device, wherein the device comprises a touchscreen display, a processor, and a non-transitory memory, wherein:

• the touchscreen display is configured to display a folder icon, and display a drag mark in a first position of the folder icon, wherein the folder icon comprises icons of at least two applications;
• and
• the processor is configured to read computer-executable code in the non-transitory memory, so as to execute the computer-executable code to:
• detect a first drag operation to the drag mark, wherein the first drag operation is used to increase a size of an icon of an application in a folder;
• and
• when the first drag operation is detected, display, on the touchscreen display, an icon that is of at least one application in the at least two applications and that is inside the folder icon, wherein the icon is enlarged for display.