Hygiene is an important part of life in Japan, with a long history that dates back to ancient times. Various cultural practices encourage good hygiene habits, such as washing hands before meals and after using the restroom, wearing slippers inside homes and businesses, removing shoes before entering certain areas such as temples or shrines, and washing dishes after use. Additionally, public health measures such as handwashing campaigns and face mask requirements on transportation systems have been implemented throughout Japan due to increasing awareness about how germs can spread easily from person-to-person contact if proper hygiene is not practiced regularly. This article explores why hygiene is so important in Japan and the various cultural practices that help promote good hygiene.