1. A alarm trend summary display method operating on a computer, comprising: graphically displaying an alarm trend list in conjunction with an alarm summary list with a plurality of highlighting and filtering functions, and organizing a plurality of rows in said alarm trend list in a top-to-bottom manner; arranging a plurality of alarm indicators within said plurality of rows in said alarm trend list in a right-to-left horizontal arrangement, and aligning said plurality of alarm indicators with a most recent alarm appearing on a right side of said alarm trend list; and selecting at least one of said plurality of alarm indicators in said alarm trend list, so that a corresponding alarm description item is highlighted and displayed in said alarm summary list, if said alarm is active, thereby allowing an operator to see when said alarm occur, their sequence, relation and priority, which helps said operator cope with an inevitable alarm flood.