Inclusion Criteria:  Accepting voluntarily to participate in the study. Studying in 1st and 2nd grade between 18 October 2021-16 September 2022 at Mersin University Faculty of Nursing in the Academic Year of 2021-2022, Between the ages of 18-24 years, Willing to participate in the study, Having the facilities (computer, internet, etc.) to participate in the online training, Having female gender and a regular menstruation period (occurring at intervals of 21-35 days and lasting 3-8 days), Having menstrual pain intensity at least 4 points according to the Visual Pain Scale, Having a score of 60 or more according to the Menstruation Symptom Scale, Not using hormonal contraception and intrauterine equipment, Not pregnant and have not experienced pregnancy before, Not having a systemic and chronic disease, There is no physical health problem that will prevent/limit yoga practice, No diagnosed musculoskeletal disease or no severe heart disease, Not practicing yoga regularly, No diagnosed psychiatric problems, Did not take the Obstetrics-Women's Health and Diseases Nursing course, Female students with primary dysmenorrhea who signed the Informed Consent Form.  Exclusion Criteria:  Not accepting voluntarily to participate in the study. Studying in Mersin University Nursing Faculty in the 1st and 2nd grade except 18 October 2021-16 September 2022 in the Academic Year of 2021-2022, Younger than 18 years old or over 24 years old, Not having the facilities (computer, internet, etc.) to participate in the online training, Not having female gender and a regular menstruation period, Menstrual pain intensity less than 4 points according to the Visual Pain Scale, Having a score of 59 or less according to the Menstruation Symptom Scale, Using hormonal contraception and intrauterine device, Pregnant and have experienced pregnancy before, Having a systemic and chronic disease, Having a physical health problem that will prevent/limit yoga practice, Diagnosed musculoskeletal disease or severe heart disease, Doing regular yoga exercises, Having a psychiatric problem, Obstetrics-Gynecology and Diseases Nursing course, Students without primary dysmenorrhea who do not sign the Informed Consent Form.