婴幼儿的汗腺发育尚不健全,大脑调节皮肤对外界的刺激反应和适应性机能较差,当夏季气候炎热、潮湿时易出现汗液排泄不畅的情况。加上婴幼儿皮脂腺发育良好,虽然大量的皮脂分泌可保护孩子的皮肤细腻,但同时又形成了汗腺孔的闭塞,并为细菌的入侵提供了场所,这又是不利的因素。而且孩子生性 Infant’s sweat gland development is not perfect, the brain adjusts the skin to stimulate the external response and adaptive function is poor, when the summer climate is hot, humid prone to sweat excretion poor situation. Coupled with the good development of sebaceous gland infants and young children, although a large number of sebum secretion can protect the delicate skin of children, but at the same time the formation of the pores of the sweat gland occlusion and provide a place for bacterial invasion, which is unfavorable factors. And children are born