The main functions of the Yuanzhong auricular point are to benefit the brain and calm the mind (tonifying the brain and stabilizing the mind), clear the channels and wind (clearing the channels and wind to calm the wind), relieve pain and bleeding, and dispel the wind and desensitize the mind (removing the wind and desensitizing the mind), and based on the observation of the color of this auricular point, one can also determine whether there is a cerebral and secretion disease. The color and shape of the auricular points in the margin can be used as an important reference for endocrine diseases. When the color and shape of the ear point show abnormal changes, or when there is a positive electrogram or obvious pressure pain, it is possible to consider the presence of brain and endocrine diseases. The Marginal Middle Ear Point, also known as Brain Point and Brain Stem, can be used to treat enuresis, inner ear vertigo, mental retardation, post-concussion, post-encephalitis, vasculitis, internal hemorrhage, shock, respiratory failure, etc., and it has the efficacy of calming the wind and quenching the wind, benefiting the brain and calming the mind. Marginal middle ear point belongs to the representative area of pituitary gland, which can regulate human growth and development, material metabolism and physiological activities of organs through endocrine system under the domination of nervous system, so by stimulating this point, it can regulate various diseases caused by endocrine disorders, and it has a certain degree of anti-allergy and anti-rheumatism effects.