腹泻是导致小儿患病以及死亡的重要原因之一[1]。一部分低乳糖酶水平、轮状病毒感染以及低体质量营养不良的患儿本身容易发生乳糖吸收不良,而肠道的急性感染又会加重乳糖不耐受,使腹泻恢复延迟。研究发现,发酵乳具有缩短腹泻持续时间,促进消化功能改善的功效[2],但上述结论在其 Diarrhea is one of the major causes of illness and death in children [1]. Some lactose levels, rotavirus infection and low body mass malnutrition in children prone to lactose malabsorption, and acute intestinal infections will aggravate lactose intolerance, delay in the recovery of diarrhea. Study found that fermented milk with shortened duration of diarrhea and promote digestive function improved efficacy [2], but the above conclusion in its