Taekwondo, (태권도) also spelled Taekwon-do or Tae Kwon Do. It is a martial arts sport that uses hands and feet to fight and focuses on spiritual cultivation. It was named by general Choi Hong hee of South Korea in 1955. Taekwondo originated from ancient Chinese martial arts, spread in Japan and carried forward on the Korean Peninsula. It is a martial arts sport combining the strengths of Contemporary East Asian martial arts. Taekwondo became the official event of the 2000 Sydney Olympic Games. At the same time, it is also the martial arts event with the largest number of practitioners in the world. It is known as "the first fighting sport in the world". Taekwondo is divided into two schools, namely World Taekwondo (WT) in Korea and International Taekwondo Federation (ITF) in Korea. People are deeply impressed by the distinctive characteristics of Taekwondo practitioners who wear white Taoist clothes, pay attention to etiquette, use both fists and feet, cheer with their voice, test their skills by breaking hard objects and so on. The training content of Taekwondo mainly includes basic skills, poomsae, competitive confrontation, stunt, breaking, taekwondo dance, nunchaku, etc. According to the difficulty of training, the training content is also divided into 19 levels of 10 levels and 9 sections, so as to facilitate practitioners to carry out reasonable and scientific training. From the perspective of fitness, adhering to taekwondo practice can improve physical qualities such as muscle strength, speed, endurance, agility, coordination and balance. Taekwondo is beneficial to the human body's sports system, respiratory system, cardiovascular system and central nervous system. For adults, Taekwondo has the functions of strengthening the body, slimming and shaping, self-defense, decompression and so on; For women, it is helpful for women to maintain a symmetrical figure and obtain better temperament and self-confidence; For teenagers and children, Taekwondo has four functions of "fitness, enlightenment, heart education and courtesy". In particular, Taekwondo has the advantages of promoting the height growth of teenagers and children, knowing etiquette, improving self-confidence and self-defense ability, which has been recognized by the majority of parents.