Australian boxing legend Jeff Fenech hopes his routine will finally be back to normal by next week after enduring the scariest time of his life.

The boxing trainer and former three-division world champion underwent major surgery on a blocked heart valve in a Bangkok hospital last month.

Jeff Fenech (right) is recovering after his heart operation in Thailand this month. Credit:Chris Lane

"When I think of it now it's maybe the scariest thing ever," Fenech said.

"I didn't know that I was a couple of hours away from dying.