This study was aimed to determine the effect of foot reflexology in the treatment of premenstrual syndrome. Subjects and methods: Fifty volunteer, single females with premenstrual syndrome (PMS) were selected randomly from outpatient clinic of obstetrics and gynecology at Kasr El Ainy University Hospital, Faculty of Medicine, Cairo University to share in this study, their age ranged from 18 to 25 years old and their body mass index (BMI) did not exceed 30kg/m2, the participants were assigned into two groups of equal numbers. The group (A) received therapeutic foot reflexology with dietary modification 3 times/week for8 weeks, while the group (B) received dietary modifications only for 8 weeks. All subjects in both groups were assessed through the visual analogue scale (VAS) for pain and Premenstrual Daily Symptoms Questionnaire for (PMS) related symptoms. Results: The results of the present study revealed that there was statistically significant improvement in both pain and premenstrual related symptoms in group (A) than in group (B).