Abstract: Objective To learn about the causes of premenstrual tension in college female students and set the focus on health education.Methods To survey by questionnaire 460 female students who have had physical examination and who are in different specialties from first-year to third-year girl students in a certain university.The general symptoms of premenstrual and menstrual periods were collected.Results Four hundred and fifty-five questionnaires were valid among the 460,the validity rate was 98.9%.The findings showed that over 61% college girls have suffered from premenstrual tension in a certain extent.The major causes of the change of menstrual period and premenstrual tension were mainly associated with emotional instability,environmental change,the change of living habit,the physical activities during menstrual period,stresses and strains from studies,and so on.52% students are worried about the change of menstrual period and the worsening premenstrual tension.Conclusion The education of healthy sexual psychology of college girls is the most effective way to prevent and treat menstrual disorder and premenstrual tension.The incidence of menalgia and premenstrual syndrome are quite high.The orders of factors that influence the normal menstrual adjustment are environment,biology,the temperament features and negative life events.Different specialties,psychological stress from examinations and sports also influence the normal menses to a certain extent.

Key words: menses, premenstrual tension, syndrome, sexpsychology