Abstract: Objective：To discuss the therapy of the pregnancy associated with acute appendicitis. Methods：Retrospectively reviewed the 30 cases admitted by our hospital from December 2005 to December 2010 of acute appendicitis in pregnant women. Results： 14 patients used expectant treatment，and they all were early pregnancy， and mid-term patients；16 patients adopted operation，1 patient was aborted ，1 patient was stillbirth and other surgical patients including mother and child are good. The symptom in late stage is not obvious ，but the frequency of gangrene and perforation is the highest. Conclusions：Operation in time is the best option in late stage ，lots of department cooperation is the most important condition to improve the prognosis of pregnant women and fetus.

Key words: Acute disease, Appendicitis, Pregnancy complications, Pregnancy complications, infectious, Diagnosis