答:婴儿奶癣(现名婴儿湿疹),多发生在婴儿出生后1～6个月内(有干性和湿性两种)。疹从两颊开始,逐渐蔓延至额部、头上,少数可发展至胸背及上肢等部位,初起为细碎红疹,夹有丘疹、水疱,如擦破感染后则融合成片,瘙痒、糜烂,渗出黄水,干燥后结成黄色薄痂。本病的病因,明代陈实功有谓:“因儿在胎中,母食五辛,父餐炙(火甫寸),遗热与儿”(《外科正宗·奶癣》);《医宗金鉴·幼科心 A: Infantile milk ringworm (now known as infant eczema), occurred in the baby 1 to 6 months after birth (both dry and wet). Rash began from the cheeks, and gradually spread to the forehead, the head, a few can be developed to the chest and back and upper limbs and other parts, beginning as a broken rash, pimples, blisters, such as rubbing infection after the fusion into tablets, itching , Erosion, exudation of yellow water, dry yellow scab formed after the thin. The etiology of the disease, the Ming Dynasty Chen Shichong has said: “Because of children in the tire, the mother of five food, parental Sunburn (fire Fu inch), heat and children” (“surgical authentic milk ringworm”); " · Childhood heart