Korean ritual dancing was doing in a royal court when an auspicious event happen in a country, a ritual ceremony was hold or reception for an envoy came from the other country was hold. There were 53 kinds of ritual dancing in Korea. Gumgee-Mu was the one among of them. Yea-Reung(woman ritual dancer) were dancing Gumgee-Mu with a sword. For Gumgee-Mu they wore a Kaeja(快子), Haebsuyoi(挾袖衣). Above it they took a Jeandae(戰帶), Jeanlib(戰笠). The dancing suit`s color had a harmony with well mixed. Lunar-Solar-Five-Natural(陰陽五行) of oriented traditional concept.