An incoming call prompting method is provided. The method receiving an incoming call decoding the phone number of the incoming call so as to obtain a digit set from the phone number stored in the data storage system. The method further includes determining a call number character of the incoming call and assigning musical notes associated with the numbers of the digit set according to the musical note table. Furthermore, the method includes obtaining corresponding audio clip of each note from an audio clip database and outputting the audio clips with the corresponding rhythm of the call number character of the incoming call through a music output apparatus.