小儿腹泻的病原多样而复杂,其发病不仅与机体的免疫状态有关,也受外界环境、地理条件、气候变化等客观因素影响。此病流行广,高峰时间长达2～3个月,严重威胁小儿健康。为了提高对此病的认识,笔者 The pathogeny of children with diarrhea is diverse and complex. Its incidence is not only related to the immune status of the body, but also influenced by objective factors such as the external environment, geographical conditions and climate change. The prevalence of this disease is wide, the peak time of up to 2 to 3 months, a serious threat to children’s health. In order to raise awareness of the disease, the author