Damp Heat is a combination of Damp and Heat if conditioned internally and externally, and constitutes vital Ki as well as pathogenic Ki. Damp Heat, as vital Ki, is one of the essential factors in forming the body and preserving life activity, and on the other hand, as pathogenic Ki, it causes undear mentality, gastric discomfort with acid regurgitation, San disease(疝病), cardiac beriberi, flaccidity symtoms, muscular atonia or contracture and dark or cloudy urine. In Hyungsang Medicine, the Dam type develops Damp Heat disease mostly due to Heat, and the treatment is to promote urination by clearing Heat; on the other hand, in the Bangwang type, Damp is the major cause and the treatment is to induce sweating and eliminate Damp.