Being based on oriental medicine, the body intimates with the mind. Therefore vitality attachs to heart, will attachs to spleen, purpose attachs to kidney and spirit attachs to lung. The mind is very important cause of a disease. Bonsin means the five viscera vitality. The acupuncture of the beginning always depend of vitality, therefore the name of this volume is BonSin. This volume explains the mind activity of human body that is vitality, essence of life, soul, spirit, feeling, will, purpose, wisdom and thought. In addition explains that's origin and the connection of the mind and care. A disease appears on the occasion of nerve strain, so we observe a mental state in case of treatment. This volume divide in three chapters. ChapterⅠ deals with the meaning of consciousness and connection with the cause of a disease. ChapterⅡ deals with an illness of five hollow organs's consiousness and the time of death for it's results. ChapterⅢ deals with the deficiency and exceess of a mental disease and mind-culture.