[1] Purisai played for Osotsapa in the 2007 AFC Champions League group stages, scoring one goal.
[2] Purisai moved to Buriram FC in 2011, and won the 2011 Thai Division 1 League with them.
The 2013 Thai Premier League was Purisai's year as he scored and assisted many goals for Chainat Hornbill.
He played for the Thailand national under-23 football team at the 2009 Southeast Asian Games.
[1] He scored an unofficial penalty against Denmark League XI in the 2012 King's Cup He was part of the 2012 AFF Suzuki Cup, and he replaced Datsakorn Thonglao after Datsakorn suffered a groin injury during the tournament.