During menstruation, swimming is prohibited. If you need to swim due to special circumstances, you can only do so when your menstrual flow is low and after taking good protective measures: 1. Insert a tampon into the vagina to prevent the flow of menstrual blood. 2. The body, drink some brown sugar water, is also conducive to prevent cold and affect the menstrual blood discharge situation. During menstruation, women should pay attention to proper rest and do not do strong physical activities to avoid affecting the discharge of menstrual blood and causing menstrual disorders due to the poor body resistance and immunity.