Ling Gui Zhu Gan Tang is a traditional Chinese medicine formula without proprietary pills, which has the effects of strengthening the spleen and inducing dampness, warming yang and resolving phlegm-drinking (pathological products formed by the impaired metabolism of water), and is used to treat the symptoms of phlegm-drinking (pathological products formed by the impaired metabolism of water) caused by deficiency of yang in the middle-phase. Ling Gui Zhu Gan Tang is a Chinese medicine formula, which is an expectorant of dampness and has no proprietary Chinese medicine pill. It consists of Poria, Gui Zhi, Rhizoma Atractylodis Macrocephalae, and Glycyrrhiza Uralensis. The efficacy of Ling Gui Zhu Gan Tang is to warm yang, resolve drinking, strengthen the spleen and promote dampness. It is mainly used to treat phlegm-drinking with deficiency of zhong-yang (deficiency of yang qi in the spleen and stomach in the middle jiao), which manifests as distension and fullness in the chest and ribs (the general term for the chest and ribcage area), shortness of breath and coughing, palpitation (accelerated heartbeat often accompanied by panic attacks), and dazzling of the eyes. Ling Gui Zhu Gan Tang is composed of Poria, Gui Zhi, Atractylodes Macrocephalae and Glycyrrhiza Uralensis, the adverse effects and contraindications are not clear at present. Note that it is contraindicated if there is cough with thick phlegm. Ling Gui Zhu Gan Tang should be applied under the diagnosis of a professional Chinese medicine practitioner, and should not be used on its own.