Abstract: Based on social and economic aspects in Abaga Banner ranches,the present station on family pasture was investigated,and the animal performance of Simmental cattle and grassland production was analyzed with the comparative between the model of feeding in winter and traditional grazing.Body weight,body condition,chest length and body length of Simmental cattle were detected every 3 weeks.The result indicated that all indexes of Simmental cattle with house feeding model in winter was higher than traditional grazing,and the body weight loss was less than that of the control,about 0.217 kg in average body weight increase every day.Moreover,the trial group in production also was higher than that of the control.