Poria Tang syndrome and Wu Ling San syndrome can be differentiated in terms of disease mechanism, treatment, symptoms and medication. 1. Pathogenesis: The pathogenesis of Poria Tang syndrome is that after Yangming down, the fluid is injured and the evil heat has not been removed, and the water-heat is concentrated in the lower jiao; the pathogenesis of Wu Ling San syndrome is that the superficial evil (evil qi on the surface of the muscle) has not yet been resolved, and then enters into the interior of the bladder along with the menstruation, so that the bladder qi and chemistry are unfavorable. 2. Treatment: the treatment of Pig Ling Tang is to clear heat and nourish yin to promote diuresis, so it is accompanied by Colla Corii Asini and Slippery Stone; the treatment of Wuling San is to transform qi and move water (to promote the operation of gas, thus promoting the operation of water), and at the same time to relieve the epidermis, so it is accompanied by Cinnamon Branches and Atractylodis Macrocephalae. 3. Symptoms: both certificates can be seen fever, thirst for water, dysuria (urination) and other symptoms, but the pig ling soup certificate can be accompanied by heartburn and insomnia (the symptoms of insomnia in the heart), fever, not cold (fear of cold), or nausea and vomiting, or diarrhea and other symptoms; Wu Ling San certificate can be accompanied by cold, headache and other symptoms of the surface, as well as thirst, or even vomiting into the water and other symptoms. 4. Drugs: Poria Tang and Wu Ling San both contain the three drugs Zelia, Poria and Poria, Poria Tang is also equipped with Slippery Rock to clear heat and dampness (to remove heat and dampness in the body), and with Colla Corii Asini to nourish yin and moisten dryness (to nourish the yin essence and to remove heat). Wu Ling San is combined with Gui Zhi to warm the yang and transform qi (warming the yang qi in the body) as well as resolving the unresolved evils of the sun, and with Atractylodes Macrocephalae to strengthen the spleen and dry dampness (strengthening the spleen and removing dampness). If you have symptoms related to the above two symptoms, please treat under the guidance of a doctor, and do not blindly use medicines on your own to avoid adverse consequences.