The Swiss Football Association (ASF/SFV) had 28 member clubs at this time and these were divided into two divisions of 14 teams each.
The teams played a double round-robin to decide their table positions.
FC Grenchen and SC Zug ended the season level on points in joint second place.
The decider match for second place was played on 15 June 1952 at Stadion Neufeld in Bern.
FC Grenchen won the play-off and were promoted to 1952–53 Nationalliga A. SC Zug remained in the division fot the next season.