Career
He plays either left midfielder or left back. He also represents the Hong Kong national football team and has one cap so far. He previously played for Fukien Air Corps, Rangers and
On 26 May 2010, Kitchee announced that So Loi Keung has joined the team for the 2010-2011 Hong Kong First Division League.
He wore northern
8 at Kitchee and scored 3 goals for the club On 16 June 2011, announced that they have signed So Loi Keung for the 2011-2012 Hong Kong First Division League season and the 2012 AFC Cup. He cited a lack of playing time at Kitchee as the reason for the move.
He hopes to share his AFC Cup experience with the team
He will continue to wear the northern 8 shirt at his new club
So Loi Keung is re-united with former teammate Chiu Chun Kit at Citizen and both have been recruited to be coaches at the Hong Kong Arsenal Soccer School. So Loi Keung was selected to represent Hong Kong in the 2011 AFC Asian Cup qualification match away to Bahrain.
Hong Kong lost 4:0. He started and finished the match.
On 16 June 2011, So Loi Keung was named as one of the 25 men Hong Kong squad to face Saudi Arabia in the 2014 Fédération internationale de football association World Cup Asian qualification match. On 30 September 2011, So Loi Keung was sent off in the 3:3 draw with the Philippines in the 2011 Long Teng Cup.