发烧是人体对致病因子的一种全身性反应,是许多疾病的首发症状之一,婴幼儿更为常见。这是因为婴幼儿本身体温调节中枢发育不够完善,对外界应变能力和防御机能较低,更易发烧。但婴幼儿对发烧耐受力较强,通常在38℃以下的低烧,对其身体并没有多大损害,反而有一定益处。因为这是机体的 Fever is one of the body’s systemic reactions to causative agents and is one of the first symptoms of many illnesses, with infants and toddlers being more common. This is because infants and young children their own body temperature regulation center development is not perfect, the external strain and defense function is lower, more susceptible to fever. However, infants and young children have strong tolerance to fever, usually below 38 ℃ low-grade fever, their body does not cause much damage, but there are some benefits. Because this is the body