An information processing method for controlling an input mode of a processing apparatus, the method comprising the steps: acquiring, by a first acquiring module in the processing apparatus, mode-enabling gesture information of a user; enabling, by a mode enabling module in the processing apparatus, an input mode corresponding to the mode-enabling gesture information, wherein the input mode comprises a keyboard input mode and a mouse input mode; acquiring, by a second acquiring module in the processing apparatus, gesture information of the user in the input mode, wherein the gesture information comprises tap-gesture information and/or slide-gesture information; and generating, by an instruction generating module in the processing apparatus, according to a preset correspondence between gesture information and an operation instruction, an operation instruction corresponding to the gesture information, wherein the mode-enabling gesture information and the gesture information is detected by a sensor comprised in the processing apparatus, wherein the sensor is disposed on a wrist or a palm of the user; and wherein the enabling an input mode corresponding to the mode-enabling gesture information comprises: enabling, by a first mode enabling module in the mode enabling module, the keyboard input mode when the mode-enabling gesture information is corresponding to a gesture of extending an index finger, a middle finger, a ring finger, and a little finger of the user; and enabling, by a second mode enabling module in the mode enabling module, the mouse input mode when the mode-enabling gesture information is corresponding to a gesture of curling the index finger, the middle finger, the ring finger, and the little finger toward the palm of the user. acquiring, by a first acquiring module in the processing apparatus, mode-enabling gesture information of a user; enabling, by a mode enabling module in the processing apparatus, an input mode corresponding to the mode-enabling gesture information, wherein the input mode comprises a keyboard input mode and a mouse input mode; acquiring, by a second acquiring module in the processing apparatus, gesture information of the user in the input mode, wherein the gesture information comprises tap-gesture information and/or slide-gesture information; and generating, by an instruction generating module in the processing apparatus, according to a preset correspondence between gesture information and an operation instruction, an operation instruction corresponding to the gesture information, wherein the mode-enabling gesture information and the gesture information is detected by a sensor comprised in the processing apparatus, wherein the sensor is disposed on a wrist or a palm of the user; and wherein the enabling an input mode corresponding to the mode-enabling gesture information comprises: enabling, by a first mode enabling module in the mode enabling module, the keyboard input mode when the mode-enabling gesture information is corresponding to a gesture of extending an index finger, a middle finger, a ring finger, and a little finger of the user; and enabling, by a second mode enabling module in the mode enabling module, the mouse input mode when the mode-enabling gesture information is corresponding to a gesture of curling the index finger, the middle finger, the ring finger, and the little finger toward the palm of the user. enabling, by a first mode enabling module in the mode enabling module, the keyboard input mode when the mode-enabling gesture information is corresponding to a gesture of extending an index finger, a middle finger, a ring finger, and a little finger of the user; and enabling, by a second mode enabling module in the mode enabling module, the mouse input mode when the mode-enabling gesture information is corresponding to a gesture of curling the index finger, the middle finger, the ring finger, and the little finger toward the palm of the user.