 In May 2000, during an international friendly hosted by Macau, Lee kicked the football toward the upper body of the Macau referee Choi Kuok-kun, after several unfair decisions were being awarded in favour of the home side.Hong Kong eventually won the match by 1-0 and Choi was banned from officiating for life.He was appointed as the head coach of Hong Kong national football team on 22 May 2007.