Tam Lok Hin made his Hong Kong First Division debut on 12 January 2008, in a match against Sun Hei, being substituted in the 70th minutes. However, this was his only league appearance in the season.
He got more chances to break into the Eastern first team during the 2008–09 season. He had made 13 league appearances and scored 3 three league goals. His first league goal was scored on 24 October 2008, helping his team to win 5–0 over Tuen Mun Progoal. He then scored 2 goals in a match for the first team on 15 November 2008, helping his team to win 5–0 over Mutual. However, the club did not achieve good results and decided to return to the Hong Kong Third Division at the end of the season.
He was used as a substitute in the 2010–11 Hong Kong Senior Shield final and scored with a header to make it 3–3 between Citizen and South China. Citizen went on to win the game on penalty shootout.
Lee Man
On 21 May 2018, Lee Man announced that they had signed Tam.[1]
On 2 June 2020, Tam was named on a list of departures from the club.[2] However, on 3 September 2020, Tam was brought back by the club on a short term deal until the end of the 2019–20 season.[3] His contract was further expanded for the 2020–21 season.