According to auricular medicine, ear is like a upside down fetus which represent our whole body, it has close conection to Qi, blood, meridians of the body, when there is illness, the ears will show positive changes which can help for diagnos and treatment. Rubbing ears can promote Qi and Blood circulation of the whole body, and promote immune system and improve body metablism, if you would like to improve and preserve health, rubbing ears will be a easy and effective thing to do.