Abstract: The three-way cross piglets of Duroc×Landrace×Large White were selected in the experiment and they were divided into 2 treatment groups randomly, each treatment had 3 repeat and each repeat contained 10 piglets. 5008 ration formulation were used for feeding piglets in the experimental group and 5000 ration formulation were used for feeding piglets in the control group. Aiming to the characteristics of piglet weaning syndrome, some indexes such as growth performance and diarrhea rate of piglets in each groups, resp. The experiment result showed that diets containing high level protein and energy had promotion on piglet growth and could relieve the occurrence of piglet weaning syndrome.