The invention relates to an omnipotent single-hand moved chord keypad, a mark and a structure thereof. The omnipotent single-hand moved chord keypad is provided with auxiliary functional keys, such as Shift, Fn, Sym, and the like, under a 12-key type 3X4 numeric phone keypad. All the characters and functions of a QWERT 102 keypad are completely replaced by a chord (combination) key of the omnipotent single-hand moved chord keypad. The omnipotent single-hand moved chord keypad can be hinged with a phone and a handheld computer, for quickly inputting Chinese characters and English letters anytime and anywhere, and can be made into input devices, such as a mouse keypad, a touch plate keypad controlling computer or remote controller, a password input unit, and the like. The omnipotent single-hand moved chord keypad can be used for the vehicle-mounted and moveable equipment or the keypads of electronic devices of various instruments and large-size equipment in various industries. The omnipotent single-hand moved chord keypad has the characteristics of small volume, complete function, high inputting speed, complete mark, comfortableness in operation, benefit to health, multifunctional key, convenience in opening and closing, suitability for touch typing, accordance with a present habit of a user for operating a computer keypad, suitability for the inputting of various characters in the world, suitability for the quick inputting of the user while walking, and suitability for a future trend of the miniaturized and movable equipment.