There are two very important meridians running behind the ear: one is the Sanjiao meridian, which mainly enters from behind the ear to inside the ear; the other is the Bile meridian, which also enters from behind the ear, comes out from inside the ear and then comes out from in front of the ear and goes to the solar plexus area at the outer corner of the eye. By massaging the meridians behind the ears can promote nerve excitement, have a preventive and health-care effect on some diseases of patients, can promote the recovery of patients’ resistance, regular massage of the ears may be effective for colds, insomnia or obesity, dysmenorrhea. Of course, you need to insist on a period of time, and it is difficult to achieve effective results by massaging a few times. All in all, the meridians behind the ears are very rich, and by massaging the meridians behind the ears can treat and prevent some diseases.