It is not recommended to hula-hoop during menstruation, as hula-hooping mainly acts on the small abdomen and waist, which will indirectly stimulate the uterus, aggravate or reduce the amount of menstruation, and seriously cause dysmenorrhea. For the exercise during menstruation, it is recommended to minimize the stimulation of the small abdomen, abdominal force exercise should not be done, such as sit-ups, hula hoops, etc. When exercising, it is recommended to avoid strenuous exercise, and it is recommended to take a walk, yoga, Tai Chi and other softer exercises to avoid adverse effects on menstruation, and the duration of each exercise is not recommended to be too long, just keep it at about 30 minutes. As menstruation is easy to fatigue, resistance decreases, in the first few days of menstruation should be mainly rest, do not exercise, and then gradually resume exercise. During menstruation, we should pay attention to nutritional supplements, eat more fresh vegetables and fruits, more soy products, dairy products, fish and shrimp, etc., so as not to meet the needs of the body’s high metabolism.