Chon-Ji Teul (Pronounced: "Chon Gee") is the first Chang Hon (Blue Cottage Style) and International Taekwon-Do Federation pattern learned at Gold or Yellow stripe belt level. These are studied by followers of the and ITF style Taekwon-Do Associations.It has 19 movements with a diagram of a cross (or plus sign) and literally Chon-Ji means "heaven and earth" or "heaven-the-earth", which is interpreted as the creation of the world or the beginning of human history. It is therefore the initial pattern performed by a beginner during their creation and entrance into the world of Taekwon-Do.

The two words combined together, however can have slightly different meanings, Lake Chon-Ji is the 'Heavenly' Lake, located in a crater on Paektu-San (White Headed Mountain also Ever-White Mountain) located on the border between China and North Korea, which was the first residency of the legendary Dan-Gun before he established his capital at Asadal (now Pyongyang) in 2333 B.C.

This pattern is great for seniors to study because many have moved on to more advanced patterns and need reminding of the beauty of hidden applications within the early patterns.