The object is to study the influence Korean ornaments had on the Japanese during the THREE KINGDOM PERIOD. In ornaments(Earrings Necklaces Bracelets Rings) also we can find commonness between Korean and Japan. CHIZASIL( a gardenia seed) and heart shaped of Earrings the use of gems in Necklaces engravings of abdomen on Bracelets and rhomb-shaped Rings all these are common between Korea and Japan. And the same time we can that our country was superior to Japan ornaments.