This article explores the taboo surrounding menstruation in Japan, from its historical roots to modern attitudes and what is being done to change this culture. It discusses the traditional beliefs that have been carried down through generations, which continue to shape the stigma around periods today. There has been an increasing effort from individuals and companies alike to challenge these taboos and create an open dialogue about menstrual health amongst all genders within society, with initiatives such as “Period Positive” providing educational materials related topics free of charge. Survey data suggests that most Japanese women view their period positively, indicating that there is still hope for a more open dialogue surrounding menstrual health in Japan.