Leciester manager Claudio Ranieri confimed the news yesterday after the Foxes' 2-1 win over Swansea, in which Schmeichel left the field in the second half due to the injury.
"He has a little hernia and Monday he will have an operation," he said.
"It will take four of five days and he will be ready for the next match. He wanted to play today, but he felt something and wanted to change.
"The surgery was in the programme anyway".