MUAYTHAI is Thailand’s national sport which originated at the same time as the kingdom. In the olden days, it was regularly practiced by soldiers for close-up fighting. It was also trained together with the double and single swords. MUAYTHAI is played in leisure times when not carried out in wars. Nai-Kanom-Tom was the most famous boxer in the first era of the Ayutthaya period. As for the last era of the period, Pra-Jao-Sia, Khun-Luang-Sorasak, Pra-Kao-Taksin and Prayapichai-Dabhak was the most famous of them all. In the Ratanakosin era, Suan-Jao-Chet arena and Suan Kularb arena are among the first boxing rings of the period. In the early days, Kad-Chuak boxing was very popular. Kad-chuak boxing is the form of fighting in which one needs to tie a rope around the fist instead of using present days boxing gloves.