The Thailand men's national under-18 ice hockey team played its first game in 1998 during the 1998 IIHF Asian Oceanic Junior U18 Championship being held in Harbin, China.

[3] Thailand finished last in the tournament and also suffered their worst defeat in international participation when they lost to South Korea 0 – 92.

[4] During the tournament Thailand achieved what was then their best result in international participation when they drew their game against Mongolia 4 – 4.

[3] In 2012 Thailand returned to international competition to compete in the 2012 IIHF U18 Challenge Cup of Asia.

[7] Their following game was against India which Thailand won 23–1, being recorded as the team's largest victory in international competition.