Abstract: The present invention provides a method for storing control signals and an electronic device using the method. An object thereof is receiving and storing control signals sent from a remote controller. The method comprises: using the electronic device to receive a first control signal sent from the remote controller by pressing a first key of the remote controller; performing a comparison program between the first control signal and a query record comprising a plurality of function options and a plurality of corresponding control signals; dynamically displaying a function option of the function options and a corresponding modification prompt according to a result of the comparison program; and updating and storing a control signal corresponding to the function option of the query record.