在门诊工作中,常常碰到一些家长,看到孩了的脸上长了“蛔虫斑”,要求医生给配药打虫。其实所谓“蛔虫斑”并非是蛔虫作祟,而是儿童常见的一种皮肤病,医学上称为“单纯性糠疹”,或“白色糠疹”。此病好发于面部,偶尔也发生在颈部及躯干部。皮疹一般多呈圆形或椭圆形的斑块, In outpatient work, often encounter some parents, see the child’s face long “roundworm spots,” asked the doctor to give medicine dispensing insects. In fact, the so-called “roundworm spot” is not worms cause, but a common skin disease in children, medically known as “simple pityriasis”, or “white pityriasis.” The disease occurs in the face, and occasionally occurs in the neck and torso. Rash usually round or oval patches,