The Baggies will take on Reading away from home at the the Madejski Stadium in the fifth round of the prestigious cup competition on Saturday afternoon.
Berahino is looking forward to the game and has posted a message on Twitter, with West Brom fans responding to it.
@SBerahino see you there and let's keep it going , goal in each round please Saido :)— Sandra Hughes (@phoenixbaggie) February 19, 2016
West Brom are currently 14th in the Premier League table with 32 points from 26 games, just eight points above the relegation zone.
Tony Pulis’s side will head into the game against Reading on the back of a narrow 1-0 victory over Everton away from home at Goodison Park in the league.
The Baggies will fancy their chances of winning against Reading, despite being the visiting team.
Berahino has scored three goals and created five chances in 21 Premier League appearances for West Brom so far this season.
The 22-year-old striker has a pass accuracy of 79% and a shot accuracy of 54%, and has won three headers, nine dribbles and seven tackles.