Wuling Powder and Zhuling Decoction are both diuretic and dampness-removing agents. Among them, Alisma, Poria, and Polyporus are two of the most common medicines. They all treat difficulty in urination, body heat and thirst.
However, the water storage syndrome mainly treated by Wuling Powder is caused by excessive water-dampness and unfavorable gasification of the bladder. Symptoms include white tongue coating, floating or floating pulse, etc. Therefore, it is compatible with Guizhi to warm the yang and transform it. Qi can relieve the evil of unexhausted sun. Atractylodes strengthens the spleen and dries dampness, and acts as an agent for warming yang, transforming qi and diluting water. The main syndrome treated by Zhuling Decoction is that evil qi enters the interior and transforms into heat, water and heat combine with each other, and burns the Yin and Jin, resulting in a syndrome of internal heat and yin deficiency, and water and gas are unfavorable. Symptoms include a red tongue and a thready and rapid pulse. Therefore, when combined with talc to clear away heat and diuresis, donkey hide gelatin nourishes yin and moisturizes dryness, it becomes a prescription for clearing away heat, nourishing yin and diluting water.