Eczema , urticaria and atopic dermatitis are clinic common irritability dermatosis but not easy to treat , which all possess symptom with skin flush , tumefaction , macula , canker , desquamation , and itchy 摘要湿疹、 ?麻疹与异位性皮肤炎是临床常见又不容易治疗的过敏性皮肤病,三者都具有皮肤发红、肿胀、斑疹、溃烂、脱屑、瘙?等症状。