In August 2008, Adaílton renewed his contract with Santos, until December 2009 and signed in February 2010 for FC Sion. He became a regular starter for the Swiss side and helped the club capture the 2010–11 Swiss Cup. He left Sion during the summer of 2012 for Henan Jianye.
Adaílton's career path is described, starting with his contract renewal with Santos in August 2008, followed by his move to FC Sion in February 2010 and his subsequent success at the Swiss club. He then left Sion for Henan Jianye in the summer of 2012.