Which is important in Chinese medicine, the spleen or the kidney?

The spleen belongs to the earth, the kidney belongs to water, in the five elements relationship between the earth and water, spleen and kidney. Spleen and stomach and kidney have a close relationship, because the kidney is a person's innate nature, kidney yin and yang for the human body yin and yang of the fundamental, so the spleen and stomach to receive the essence of the water and grain, you must rely on the kidneys in the warmth of Yang Qi. The essence stored in the kidneys depends on the spleen and stomach, which is said to be the continuous replenishment of the essence of the water and grain and the production. If the kidney yang is insufficient, not able to warm the spleen yang or spleen yang deficiency, resulting in damage to kidney yang, the spleen and kidney yang deficiency of the five diarrhea, edema, impotence, slippery semen and other conditions, these are spleen and kidney with disease.

If the kidney yin is insufficient, it will affect the stomach yin, then the burning pain in the stomach and epigastrium, noisy, dry mouth, do not want to eat. Stomach yin deficiency manifestations. Kidney water, such as kidney qi does not melt water, water metabolism is not normal, often manifested in the urine adverse as well as the middle of the spleen and epigastric epigastric, when the spleen and stomach disease involves the kidney, most of the time the condition is prolonged for a long time, more serious, the treatment also need to take time, not a day's work.