OBJECTIVE： To provide reference for improving the utilization ratio of emergency contraceptive （EC） pills and reducing unwanted pregnancy. METHODS： Among 458 women with unwanted pregnancy in our hospital， self-designed questionnaires were used to survey the respondents’ knowledge and utilization of EC pills， reasons for not using， sources of EC knowledge and drug availability. The results were analyzed statistically. RESULTS： Totally 458 questionnaires were distributed and then 426 valid questionnaires were collected with effective rate of 93.0％. Among respondents，the awareness rate of EC was 81.2％（346/426），and the rate of those receiving higher education was higher than that of other education levels（P＜0.001）. 56.3％（240/426） of the respondents had ever used EC pills at one time， the utilization ratio of EC pills were higher in women less than 30-year-old and receiving higher education than other age and educational levels（P＜0.01）. Only 20.2％（86/426）of the respondents ever used EC pills after the last menstrual period and only 3.5％（3/86） of them took EC pills correctly. Not understanding or knowing EC was the main reason for not using EC pills，accounting for 60.6％（206/340）. The highest proportion of source which the respondents got EC knowledge was network， accounting for 53.5％ （185/346）. 37.0％（81/219） of the respondents who had ever purchased drugs couldn’t purchase EC pills conveniently. CONCLUSIONS： The utilization ratio of EC pills in women with unwanted pregnancy needs to be improved and non-standard drug use is more common. It indicates that health education of contraception still need to be strengthened and the availability of EC pills improved.