Dampness and heat stagnation of the skin leads to eczema, mostly accompanied by lesions of redness, pimples, itching and burning and other symptoms, the treatment can choose Chinese medicine internal or external fumigation and other ways. Eczema, known as wet sores in traditional Chinese medicine, mostly due to living in a humid environment for a long time, such as exogenous dampness; or addicted to spicy stimulation, fat, sweet and thick flavors, such as brewing phlegm born of dampness; or the spleen and stomach weakness, fluid loss of cloth, condensation and dampness, etc., dampness heat, stagnation of the skin caused by. Dampness and heat caused by eczema more rapid onset, short course, red lesions, herpes mound, burning itching endlessly, scratching ooze flow of fat water; accompanied by heartburn and thirst, body heat does not raise (feel the whole body fever, touch the skin but not very hot), dry stools, urinary short red (urine is small in volume, color deep yellow). For the treatment of damp-heat rash, Chinese medicine such as cypress and cangzhu can be used for fumigation or fumigation to clear heat and relieve dampness and itchiness, or Longdian Diarrhea Liver Soup combined with castor seed and dampness seepage soup with addition of reduction for internal use. If eczema occurs, should seek medical treatment in time, under the guidance of professional physicians, not self-medication.