早在半个世纪以前就有婴儿对牛奶过敏、发生严重血性腹泻的报道[1]。近年来,儿科医师注意到,因环境污染、抗菌素普遍应用及免疫接种等因素,食物过敏的患病率逐年增加。而新生儿、小婴儿的食物过敏,尤其是纯母乳喂养儿的牛奶蛋白过敏导致带血稀便,也逐渐引起我们的关注[2-4]。一 As early as half a century ago there are reports of infant allergies to milk, severe bloody diarrhea [1]. In recent years, pediatricians have noticed that the prevalence of food allergies has been increasing year by year due to environmental pollution, widespread use of antibiotics and immunization. The newborn, baby food allergies, especially breast milk-fed children’s milk protein allergy lead to loose stools, has gradually attracted our attention [2-4]. one