Initially each of the six teams play the other five teams in single round-robin matches. The top two teams after the round robin games compete in the Joe McDonagh Cup final. The Joe McDonagh Cup champions and runners-up also advance to the All-Ireland preliminary quarter-finals with the Joe McDonagh Cup teams having home advantage.
Promotion
If the Joe McDonagh champions are a non-Munster team, they are automatically promoted to the following year's Leinster Championship. If the champions are a Munster team, they are automatically promoted to the following year's Munster Championship. The Joe McDonagh Cup champions replace the bottom-placed team in the provincial championship containing six teams.
Relegation
The bottom-placed team in the Joe McDonagh Cup are automatically relegated to the following year's Christy Ring Cup and are replaced by the Christy Ring Cup champions.
Teams by province
The participating teams, listed by province, with numbers in parentheses indicating final positions in the 2023 National Hurling League before the championship were:
S Bergin 3-0, S Maher 1-6 (4fs, 1 65), T Keyes 1-1, P Purcell 1-1, W Dunphy 1-1, R King 0-3, A Dunphy 0-2, J Keyes 0-2, P Delaney 0-2, PJ Scully 0-2 (1f), J Lennon 0-2, P Lawlor 0-1, I Shanahan 0-1.
E Cahill 0-13 (0-9f, 0-2 65s), D Nally 1-1 (0-1 sideline), A Cleary 0-2, B Duignan 0-2, J Sampson 0-1, C Kiely 0-1, J Clancy 0-1, E Kelly 0-1, K Sampson 0-1, J Keenaghan 0-1.
P Og McCrickard 0-10 (8f), F Turpin 0-5, O McManus, M Fisher, C Teggart (1f), R McCrickard (1f) and D Sands 0-2 each; J Doran, L Savage and M Conlon 0-1each.
S Maher 1-12 (6fs, 1 ‘65’), E Rowland 1-2 (1-0 pen, 2fs), P Purcell 1-0, S Bergin 1-0, J Keyes 0-2, T Keyes 0-2, Ian Shanahan 0-1, J Kelly 0-1, P Delaney 0-1, A Corby 0-1, M Phelan 0-1.
E Cahill 0-7 (3f), C Kiely 0-6 (2f), D Nally 0-5 (1 ‘65’, 1 sideline and 1f), C Mitchell 1-1, A Cleary 0-3, K Sampson, P Clancy and E Kelly 0-2 each, J Keenaghan, S Bourke, J Sampson 0-1 each
Martin Kavanagh 1-8 (5f, 1 '65), Paddy Boland 1-4, Chris Nolan 0-4, James Doyle 0-3, Jon Nolan 0-3, John Michael Nolan 0-2, Conor Kehoe 0-2, Jack Kavanagh 0-2, Diarmuid Byrne 0-1, Kevin McDonald 0-1 (f)