The game in the capital of Great Britain ended with a score of 3:2 in favor of the Gunners.
Thomas Partey (62nd minute), Ben White (70th) and Reiss Nelson (90 + 8) distinguished themselves in the London team.
Philip Billing (first) and Marcos Senesi (57th) scored goals for the guests.
Arsenal continue to lead the league with 63 points.
Bournemouth are 19th with 21 points.
Earlier it was reported that Manchester City defeated Newcastle in the Premier League.