Objective: The Comparison of the Effect of Omega3 and Folic Acid Oral Tablet on Hot Flashes in Menopausal Women(2) Study design: The sampling will be random and triple blind. This study will be placebo-controlled and single center. The study population : Iranian origin of all menopausal women with hot flashes,Sample size: 120 (3): In this semi-experimental study will participate 120 menopausal women with hot flashes (4): Inclusion criteria : Iranian, age 45-60 years, menopause is the normal type have,reporting at least two times hot flashes per day , with literacy being studied components or a family member, body mass index 20 to 30, non receiving hormone therapy , anti-depressants or tranquilizers, supplements and herbal medicines, no known underlying disease (hypertension, diabetes, epilepsy, etc.), the lack of experience of such as relatives died in the last 6 months of stress, separation of spouses and absence of estrogen-dependent cancer, non consumption of more than 2 servings of fish per weeks, insensitivity to fish or fish oil, seafood, avoiding the use of any drugs to improve the symptoms of hot flashes, at least one year and a maximum of three years have menstruation, exercise not more than 2 times a week for 20-30Dqyqh,Exclusion criteria: the other drug use during the study, in case of complications or allergic drugs (omega-3 or folic acid), identifying any physical or mental illness during the study, lack of proper use of drugs or placebo over three days (5) Intervention: They are divided into three groups. Group 1: omega3 1 tablet 1000 mg daily, group 2: folic acid 1 tablet 1 mg daily, group 3: placebo 1tablet daily, for three months (6) Primary outcome measure:Intensity, duration and frequency of hot flashes