Objective To investigate the prevalence of premenstrual syndrome（PMS） in female students of higher vocational colleges and its influential factors.Method To wse a self-made "Health Status Questionnaire on Female Students in Higher Vocational Colleges" to conduct a questionnaire survey on 10 326 female students of seven higher vocational colleges in Sichuan

Chongqing

and Shannxi.Results The prevalence rate of PMS in female students of higher vocational colleges is 41.2%

of which 38.2% is mild and moderate

and 3.0% is severe.Mental symptoms of higher incidence include lack of concentration

anxiety

and impatience.Physical symptoms of higher incidence include fatigue

breast swelling

abdominal bloating.The influential factors on the PMS in female students of higher vocational colleges include life and job stress

personality

attitudes to menstruation

dysmenorrhea

etc.Conclusion The prevalence rate of PMS is high among female students of higher vocational colleges

which should be of concern to society and colleges.The mental health education and sexual health education of those students should be strengthened

with focus on the prevention and treatment of PMS.