目的综述弓形虫在不同国家、不同地区、不同人群感染情况和分析弓形虫病对人类健康的影响和危害,为防治提供参考依据。方法通过查阅文献获取有关弓形虫病的信息,用流行病学方法总结描述。结果弓形虫病呈全球性分布,人群普遍易感,但各地感染率不相同,一般感染率在25%～50%,最高的可达80%以上,对健康特别对优生优育危害很大。结论需对弓形虫进行重点防控。 Objective To summarize the influence and harm of Toxoplasma gondii on human health in different countries, regions and different populations, and to provide a reference for prevention and treatment. Methods Access to the literature for information on toxoplasmosis, described by epidemiological methods. Results Toxoplasma gondii had a global distribution and the population was generally susceptible. However, the rates of infection varied from 25% to 50% and the highest was more than 80%. It was particularly harmful to health and prenatal and postnatal care. Conclusion Toxoplasma gondii should be focused on prevention and control.