红细胞生成性原卟啉症（EPP）是遗传性叶琳代谢异常病，以光敏感、反复发作后皮肤呈湿疹化或苔癣化、肥厚、纹理加深为主要临床表现。现报告1例如下。患者男，38岁，农民。面部、手背光敏性皮疹30年。30年来，日晒1-2小时后于暴光部位皮肤出现瘙痒、灼热感，并于半小时后出现红 Erythropoietic protoporphyria (EPP) is a hereditary Erlin metabolic disorders, the light-sensitive, repeated episodes of skin eczema or lichenification, hypertrophy, texture deepen as the main clinical manifestations. One report is as follows. Male patient, 38 years old, farmer. Face, back of hand sensitive skin rash 30 years. 30 years, 1-2 hours after the sun in the exposed parts of the skin itching, burning sensation, and in half an hour after the red