Miss Earth Japan's Wyoming’s official preliminary pageant to the Miss USA and Miss Teen USA national pageants. Each year, one winner is chosen to represent Japan at the Miss Earth pageants. They also receive the opportunity to represent the Miss Earth Organization throughout their home states for the duration of their reign as well as a prize package selected by the Miss Earth Japan directors.
All contestants for Miss Earth Japan must participate in four areas of competition: private panel interview with the judges, swimsuit, evening gown, and onstage question. Women who live in Japan and who are older than 17 years of age and younger than 28 years of age are eligible to compete in Miss Earth Japan. Additionally, contestants must never have been married or given birth to a child.