most likely it is: erythema toxicum.

来源: 2013-02-09 14:31:19 [博客] [旧帖] [给我悄悄话] 本文已被阅读:

Because the eruption is transient and self-limiting, no treatment is indicated.

 

http://en.wikipedia.org/wiki/Erythema_toxicum_neonatorum