Disclosed is a remote control instructions generating system which is installed at a portable phone having Bluetooth communication function to perform a remote controlling function of a computer, the system including: a detection value inputting unit for receiving a detection value that a user inputs using a keypad of the portable phone; a detection value storing unit for storing the detection value inputted through the detection value inputting unit and information on a time at which the detection value is inputted; and a detection value query processing module for transmitting the detection value and its corresponding time information stored in the detection value storing unit to the computer in case that the computer queries a detection value through Bluetooth communication.