Women’s dysmenorrhea is mainly due to premenstrual period feeling cold and damp or depression or irritability, resulting in qi stagnation and cold stagnation of blood stasis obstruction of the menstrual vessels, Qi and blood flow is not smooth, the menstrual blood blocking the uterus and caused. As the saying goes, “if it does not pass, it hurts, if it does not glory, it passes”. According to Chinese medicine, the ear is connected to the internal organs, limbs and organs of the body through the meridians, as stated in the Chinese medical classic “Ling Shu? As the Chinese medical classic “Ling Shu? The chapter of “Evil Qi Viscera Disease Form” says “Twelve meridians, three hundred and sixty-five loops, its blood and gas are on the face and go to the empty orifice, …… its other gas go to the ear and for hearing”. Modern experimental research shows that of the 48 meridians observed, 42 have sensory connections with the corresponding ear points, accounting for 87.5% of the total, suggesting that the ear points are objectively connected to the corresponding meridians. Therefore, during menstrual or non-menstrual periods, the corresponding acupuncture points (Shen Men, uterus, endocrine, subcortical, etc.) are selected for stimulation by applying pressure to regulate the Qi and blood of the uterus and achieve relief of dysmenorrhea.