目的　分析近年 ( 1997～ 2 0 0 3 )青海田鼠鼠疫流行特点 ,为鼠疫防治提供科学依据。方法　按照“全国鼠疫防治规划”和“四川省鼠疫监测方案”及实施细则进行调查。结果　通过调查发现 1997～ 2 0 0 3年间 ,除 1998、1999年未监测外 ,其余 5个年度均有青海田鼠鼠疫流行 ;发现染疫动物 4种 ,除青海田鼠外 ,还有牧犬、沙狐和家猫 ,染疫媒介 3种。结论　青海田鼠鼠疫呈连续流行态势 Objective To analyze the epidemic characteristics of plague in Qinghai field in recent years (1997 ~ 2003) and provide a scientific basis for the prevention and control of plague. Methods According to the “National Plague Prevention and Control Plan” and “Sichuan Province Plague Surveillance Program” and the implementation details of the investigation. Results The survey found that from 1997 to 2003, except for the non-monitoring in 1998 and 1999, the epidemic of the Qingtian field rat was found in the remaining five years. Four kinds of the infected animals were found. In addition to the Qinghai field mice, Fox and domestic cats, 3 kinds of infected vectors. Conclusion The plague of Qinghai voles showed a continuous epidemic trend