Hartnup综合征甚为罕见,现将我院治疗1例报告如下: 患者男,14岁。4岁起面部、四肢远端等暴露部位皮肤反复出现色素性皮疹,皮损早期充血发红,轻度浮肿,继之皮肤增厚变硬、干燥、皲裂,表面盖以棕色鳞屑及黑色结痂如松树皮样,日晒后加重。6岁时始走路不稳,并经常于行走中突然摔倒,但意识清楚,休 Hartnup syndrome is very rare, now a hospital treatment of our report as follows: Male patient, 14 years old. 4 years old from the face, extremities and other exposed parts of the skin repeatedly pigmented rash, early redness, mild edema, followed by skin thickening harden, dry, chapped, the surface covered with brown scales and black scab Such as pine bark, aggravating after sun exposure. At the age of 6, she started to walk unsteadily and often fell suddenly while walking, but her consciousness was clear