The rise of the liver, the rise of the kidney water, rise is dependent on the left rotation of the spleen; Liu Qi, Department of Internal Medicine, Guangdong Provincial Hospital of Traditional Chinese Medicine, the lung suction and descent, the heart fire down, descent is dependent on the right rotation of the stomach earth. The earth palace is in the middle and does not account for the number of days. The change of seasons, the growth of all things collection already need the nurturing of the middle earth.