The present invention relates to an automatic speech recognizer and a speech recognition method using a keyboard macro function, the method being characterized by including the steps in which: a transcription data generation unit generates transcription data on the basis of speech data input through a microphone; a labeling unit, in order to perform a macro function on the generated transcription data, labels and sessionizes the generated transcription data and stores the labeled and sessionized data when a preset labeling target word is included; and the generated transcription data is displayed in a space in a utility program in which data can be input by a virtual keyboard.