Objective: To identify epidemiological characteristics of suicide risk among middle school students in Fuyang city, Zhejiang Province.Methods: Using stratified cluster sampling, 1449 students from junior and senior high schools, and vocational high schools were recruited.Suicide risk factors were investigated by the self-developed questionnaire for general information.Suicide risk was assessed by five questions.The answer "yes" was regarded as positive response.Results: The prevalence rates of 12 months suicidal ideation was 13.2%, 12 months suicidal plan 3.4%, 12 months suicidal behaviours 1.2%, lifetime suicidal plan 6.1% and lifetime suicidal behaviours 2.4% among these students.The prevalence rates of 12 months suicidal plan in Senior high school students was significant higher than in junior high school students (5.0% vs.1.9% X2 =12.27 P=0.02).Compare urban students with rural students, the incidence of 12 months suicidal ideation (32.6% vs.7.2% X2=143.4 P< 0.01) , 12 months suicidal behaviour (3.7% vs.0.5% X2=25.32 P<0.01) , lifetime suicidal plan (11.2% vs.4.6% X2 =25.77 P<0.01) were significantly different.Conclusion: Suicide risks are common in high school students of Fuyang, especially in urban students.Influence factors and effective coping strategies should be deserved further study.Funding: The study is supported by China Collaborative Suicide Research and Training (NIH Fogarty Grant D43 TW007273) Attachment: five questions for suicide risk Do you ever have a plan to kill yourself? Have you ever started to do something to kill yourself? Have you ever thought seriously about killing yourself in the past 12 months? Do you ever have a plan to kill yourself in the past 12 months? Have you ever started to do something to kill yourself in the past 12 months?