The research aimed to identify the nutrition status and urine calci concentration of female students. A cross-sectional study (with intentional chosen of study site and subjects) was conducted with involvement of 34 female students who live in dormitory of Hai Duong Medical Technical University from November, 2011 to January, 2012. The results show that: The average of age of students was 20.03 + or - 0.30, fluctuation from 19 to 21 year old. The prevalence of CED of A group was 23.5 percent, and this prevalence of B group was 17.6 percent (p0.05). Urine calci concentration during 24 hours of A group was 130.8 + or - 32.1 mg, urine calci concentration during 24 hours of A group was 136.0 + or - 16.8 mg (p 0,05). Urine calci concentration during 24 hours of all 34 female students was 133.6 + or - 25.5 mg.