Whether in ancient China or classical Europe,there was the idea of educating people through music,and then realizing the national governance.The reason why music can be touching,so as to achieve the purpose of educating people,isthat the objective vibration caused by music,is consistent with the subjective interpretation given by people.There is an association between musical notes and numbers;rules of music are rules of numbers.The digital order of music is harmony.And taking this as a starting point,the Europeans in classical period developed harmonics.The operating system of the whole world anduniverse are highly consistent with the music system.However,after the eighteenth Century,music lost its universality as a complete educational content,and became a smallmajor.