It was an English limited overs county cricket tournament which was held between 22 June and 3 September 1988.
[1] The tournament was won by Middlesex who defeated Worcestershire by 3 wickets in the final at Lord's.
The seventeen first-class counties, were joined by thirteen Minor Counties: Berkshire, Buckinghamshire, Cambridgeshire, Cheshire, Cumberland, Devon, Durham, Hertfordshire, Lincolnshire, Shropshire, Staffordshire, Suffolk and Wiltshire.
The Ireland and Scotland teams also participated.
The winners in the second round then progressed to the quarter-final stage.