目的探索宝安地区肝吸虫感染的危险因素,为制定适合本地的防制策略提供参考。方法采用多级整群抽样法对宝安区居民进行肝吸虫血清学监测,并利用病例对照研究方法分析肝吸虫感染危险因素。结果共抽查856人,阳性32人,阳性率为3.74%。各年龄组感染率差别有统计学意义;性别及学历组感染率差别无统计学意义。病例对照研究表明生吃或半生吃海鱼、生吃或半生吃淡水鱼、食用生鱼粥、生吃或半生吃淡水虾、有过抓生鱼虾后不洗手就抓食物吃的行为、用盛过生鱼虾的器皿不洗干净就盛熟食以及用切过生鱼的刀及砧板不洗就切熟食是当地引起感染的危险因素。结论引起本地区肝吸虫感染增高的主要原因是由于个人或家庭的饮食和卫生行为习惯不良而造成。 Objective To explore the risk factors of hepatic flukes infection in Baoan area and provide reference for making local control strategy. Methods The multistage cluster sampling method was used to monitor the liver fluke serology of residents in Bao’an District. The case-control study was used to analyze the risk factors of hepatic flukes infection. Results A total of 856 random checks, 32 were positive, the positive rate was 3.74%. There were significant differences in infection rates among all age groups. There was no significant difference in infection rates between genders and educational groups. Case-control studies show that raw or half-eaten raw fish, raw or half-eared freshwater fish, edible raw fish porridge, raw or half-eaten freshwater prawn, uncooked raw shrimp after scratching the food to eat behavior, with Sheng Excessive raw fish and shrimp utensils were cooked cooked and cut the raw fish with the knife and cutting board do not wash the cooked food is a local risk factors for infection. Conclusions The main reason for the increased prevalence of liver flukes in the region is the result of poor personal and family eating and hygiene behaviors.