Skin rashes may be related to external wind, dampness and heat, or wind-dampness, not necessarily a manifestation of heavy dampness. 1. Wind is the longest of all diseases, and wind is good at traveling and changing, if the wind invades the skin after an external infection, it will lead to itchy skin rashes, and you can use wind-expelling and symptomatic Chinese medicines such as jingzhi and fengfeng to alleviate the condition. 2. Long-term dietary disorders lead to the weakness of the spleen and stomach, it is easy to generate internal dampness, dampness heavy sticky, long time to heat, dampness and heat within the stagnation of the skin, the lower limbs rash, blisters, itching and other symptoms of the pubic area, can be used in traditional Chinese medicine bitter ginseng, cypress, and so on to alleviate. 3. living in the wetlands for a long time is easy to external wind and dampness, wind and dampness evil stagnation of the skin, will lead to skin rashes, itching, sweating sticky, easy to catch a cold and other symptoms, can be used in traditional Chinese medicine gentian herb, Huanglian and other traditional Chinese medicine to relieve. After the discomfort should be timely medical treatment, under the guidance of the physician’s diagnosis and selection of medication, not self-medication, so as not to delay the condition.