Abstract：Flaccidity syndrome refers to a kind of disease that the limbs are flaccid，asthenia and unable to move at will. Through consulting the relevant literature of Chinese medicine treatment for flaccidity syndrome in the past， the authors summarized the origin of treatment for flaccidity syndrome from dampness- heat and analyzed its clinical application. Throughout the ancient and modern times， the treatment from dampness- heat is an important part of the treatment for flaccid syndrome. Its treatment methods are mostly clearing heat and draining dampness， and tonifying the spleen and stomach，such as prescription of Ermiao powder combined with medicines that fortifying the spleen. The authors sorted out the relevant literature about the treatment of flaccidity syndrome from dampness-heat to provide the basis for the treatment of the disease in the future.