This study is to examine the costumes of Gyeokgu in different situations and to suggest when and how they should be used in historical drama. Gyeokgu is a type of polo game that was played in Korea and it was also known as Gyeokbong and Bonghee. The accounts of the game show that it was played during the South-North period as recorded in Balhaego, Haedongyeoksa, and Goryeosa until the Joseon period. The scenes of Gyeokgu have been shown in some historical dramas in order to make the story exciting or to show the life of royalty. The costume of Gyeokgu in the South-North period should be suggested Danryeong(團領), Bokdu, and Haw(靴) in a formal situation. The Gyeokgu in the Goryeo period was a sport for royalty. So the Gyeokgu costume in the Goryeo period was required to be worn with Danryeong(團領), Bokdu, and Haw(靴) for the kings and military officers in the early Goryeo period and with Cheollik(帖裡), Balip or Huklip(黑笠), and Haw(靴) from the middle of the Goryeo period. Women could wear Chima(skirt), Jeogori(blouse), Pyo, and Li(履) when they play Gyeokgu in the Goryeo period in the historical dramas. The Gyeokgu in the early Joseon period was a sport for the kings. After the king of Sejong, the Gyeokgu became a martial art for the military officers. The costume of Gyeokgu in the Joseon period should be Red Cheollik(紅帖裡), Kwadu, Jonglip, Gwangjodae(廣組帶), Sagu, and Haw(靴) as recorded in Muyedobotongji in the 18th century. The kings, servants, and military officers could wear the Cheollik and should be made in the different Git(collar), shape of the sleeves, and the proportion of the upper part and the underpart in each period properly. When the citizens play Gyeokgu, they could wear Geon(巾), Baji(pants), Jeogori(shirt), and Gipsin in the late Joseon period.