This paper has two purpose. The primary purpose is to investigate how the middle ages women of Korea describe their own masculinity femininity and gender role identity. Secondary purpose is to find out how the masculine and the feminine are related to socio demographic feature and physical symptom. The questionaire sheets of 327 use from middle aged woman of 39 years to 59 years old with their last child is more than 10 years old. The summerized results of study are as follows: 1) The overall tendency in gender role identity of middle aged women. the undifferentiated type(36.70%) was the most and have shown the androgynous type(30.58%) by the next. 2) The employed middle aged women inducated higher masculinity than the unemployed middle aged women and felt the lesser physical symptoms conciousness. In case of occupation of husband is higher social status the femininity was higher the others. and in the group has not daughter or shorter marital period the femininity was higher