This paper is on the Korean conventional martial art, "Tae Kwon Do". It explains how Tae Kwon Do, is practiced by more than a half of the population of Korea and Japan is one of the strongest and most effective martial art for self-defense. It also compares martial arts weaknesses with Tae Kwon Do with, and by illustrating at least two other countries' martial arts' weaknesses, it explains why "Tae Kwon Do" is superior to other martial arts and why it is one of the strongest and most effective form of martial arts today. It also discusses how "Tae Kwon Do" is one of the strongest martial art and at the same time, one of the easiest arts to practice.