Abstract: This experiment altogether investigated 8 dairy farms in 2006-2008 years dairy cattle＇s miscarriage situation at Huhhot. The result indicated that the Huhhot area＇s dairy cattle rate of abortion is 7.87 % equally, reaches 11.49 % high, and with the month, the birth rank as weil as the pregnancy number Of days, whether there is to miscarry history, artificial insemination number of times factor related and so on.