A diagnostic assistance method is provided in the invention. The diagnostic assistance method comprises the steps of generating an audio data by a stethoscope; generating an image data by an ultrasonic device; processing the audio data by a first processing module to generate a first result; processing the image data by a second processing module to generate a second result; and generating a diagnostic assistance result according to the first result and the second result.本發明提供了一種診斷輔助方法。上述診斷輔助方法包括:藉由一聽診器產生一聲音資料;藉由一超音波裝置產生一影像資料;藉由一第一處理模組處理上述聲音資料,以產生一第一結果;根據一第二處理模組處理上述影像資料,以產生一第二結果;以及根據上述第一結果以及上述第二結果,產生一輔助診斷結果。