8,000 people. According to the ticket sales information of the Shenbei Flower Sea Music Festival, we learned that tickets are limited to 8,000, so the estimated number of people at the Shenbei Flower Sea Music Festival is 8,000 people. The venue space is not very large and can only hold 8,000 people. Shenbei New District, affiliated to Shenyang City, Liaoning Province, is one of the nine main urban areas of Shenyang City and is located in the northern suburbs of Shenyang City.