There are differences between Wu Ling San and Zhen Wu Tang in terms of drug composition, efficacy and main treatment. 1. Composition: Wu Ling San is composed of Poria, Zedoaria, Poria, Gui Zhi and Atractylodes, while Zhen Wu Tang is composed of Poria, Atractylodes, Paeoniae Alba, Radix Polygoni Multiflori and Ginger. 2. Efficacy: Wu Ling San has the efficacy of warming yang and transforming qi (warming yang qi in the body), diuresis and seepage of dampness (promoting the movement of water to dispel dampness), while Zhen Wu Tang has the efficacy of warming yang and diuresis (supplementing yang qi in the body to promote the circulation of water). 3. Indications: Wu Ling San can be used in treating edema, bloating, dysuria (unsmooth urination) caused by Yang not transforming Qi (blockage of Qi in the body), internal retention of water-dampness (water-dampness stays in the body), and phlegm-drinking (pathological product formed by impaired metabolism of water-liquid), water retention (a type of evidence manifesting as unsmooth urination, bloating of the abdomen, thirst for water and vomiting after drinking it, etc.). Zhen Wu Tang can be used to treat spleen and kidney yang deficiency (deficiency of yang qi in the spleen and kidneys), and water-dampness flooding syndrome, which manifests as palpitations (rapid heartbeat, often accompanied by panic), dizziness, swelling, and dysuria. Patients who require medication should use it under the guidance of a doctor for evidence-based treatment.