B ACKGROUND Dysmenorrhea is a common problem faced by many young girls. Dysmenorrhea is considered as the most common symptom of all menstrual complaints. Dysmenorrhea can be defined as pain during menstruation, usually cramps and centered on the lower abdomen. Previous research stated that there is significant relationship between nutritional status and dysmenorrhea. The purpose of this study was to determine the relationship between the level of nutritional status and the incidence of dysmenorrhea by describing the intensity of status nutrition and dysmenorrhea in junior high school student. METHOD This study use a cross-sectional approach. The data was analysed by using chi-square test. This research included 239 junior high school students 1 Pangkalan, Karawang. Data was collected by measuring height and weight to count BMI, and questionnaire to measure degree of dysmenorrhea. Then, it was analyzed using SPSS for windows 17.00 and with significant level ≤0.05. RESULTS Univariat analysis from this research which includes 239 female students are BMI and dismenorrhae. The highest score of BMI results in the students who have normal BMI which amounts to 73,2%, students with more than normal BMI results in 23,8%, students with low BMI results in 2,9%. The dismenorrhae result from this research results in 78,2% female students experience dismenorrhae and 21,76% do not experience dismenorrhae. From 78,2% female students who experience dismenorrhae, the highest result are the students with light dismenorrhae for 59,4%, moderate dismenorrhae in the amount of 18,4%, and severe dismenorrhae in the amount of 0,4%. Bivariate analysis in study shows significant correlation between nutritional status and dismenorrhae with p=0,018 (p > 0,05)CONCLUSIONThis study shows that there is a significant relationship between nutritional status and dysmenorrhea.