This clinical trial is a study on women is referred to Taleghani Hospital of Arak. Random sample of 120 person, Which randomly and using form provisional diagnosis of premenstrual syndrome occurs (Wong-Baker faces pain rating scale (WBS).Inclusion criteria: Age 18-30 years, Regular menstrual periods with long intervals of 21-35 days, BMI:8/19-26, No smoking, Lack of contraceptive pills, The absence of Allergy to fish or fish oil or herbal medicines. Exclusion criteria: Self-medication, The study of non-compliance with medication orders. Selected individuals will be placed randomly in three groups. Group the first 14 days before the onset of menstruation, subsequent to menopause, daily A capsules 500 mg omega-3 and the second group during 14 days before the time of menarche until menopause, 30 drops of Oral drops of rose will be given .Third group as control and will not receive the drug. Patients in this group are not well-justified self-treatment and in this case will be excluded. Intervention will be conducted in three successive cycles. Form in the patient's symptoms can be completed on a daily basis. The index is calculated using SPSS software and t test Analysis was central and dispersion. The aim is to study the effect of treatment rose extracts and omega-3 can be proposed using these drugs improve quality of life in women with lower cost and reduced side effects.