The game at the Areca stadium in Salerno ended with a score of 2:0 in favor of the team from Naples.
The goals were scored by Giovanni Di Lorenzo (45 + 3), Victor Osimhen (48th).
Napoli continue to lead Serie A with 50 points. Salernitana are in 16th position with 18 points.
Earlier it was reported that Lazio beat Bologna in the 1/8 finals of the Italian Cup.