Abstract: Apparatus for non-invasive stimulation of the points commonly called acupuncture points on the cutaneous surface of the body is characterized in that it includes means for generating five primary sound frequencies which, instead of corresponding to the fundamental frequencies of the five notes of the early musical scale at which particular body organs resonate, are harmonic frequencies of these mean fundamental frequencies obtained by adopting for each of them a harmonic of an order chosen so as to organize the mean harmonic frequencies in such a manner that in passing from the highest to the lowest, the cycle of the five elements of nature is transversed and the body organs are treated in accordance with the law of generation.