: Painful menstruation or dysmenorrhea in addition to a problem most also be a reason for the decreased activity of women during menstruation , for example, no school . Handling this problem by means of nonpharmacologic need to be developed , for example with a hot compress . The purpose of the study to determine the effect of a hot compress to decrease the degree of menstrual pain in high school and vocational Yadika Kopandakan II . This type of research is experimental design One group pre and post test . Samples were obtained based on the inclusion and exclusion criteria were 30 . The data obtained through observation sheet Bourbonais a pain scale . Data were analyzed using SPSS (Statistical Product and Service Solution Program ) and the Wilcoxon test . The p-value indicates that there is a significant association between hot compress with a decrease in the degree of menstrual pain ( p = 0.00 ) . Based on these results it can be concluded that a hot compress effect on the degree of reduction in menstrual pain in high school and vocational Yadika Kopandakan II