In an Automatic Response System (ARS) automatic processing apparatus and method, a keypad enters an event for an ARS access, and a memory stores information on sequentially transmitted sequences. A Dial Tone Multi-Frequency (DTMF) generator outputs a DTMF signal corresponding to each of the sequences, and a controller controls the DTMF generator so as to output the DTMF signal corresponding to the sequence at predetermined times, upon detecting the event entry.