The playground of Jinan University is 400 meters long. According to the IAAF standard manual of track and field facilities, the circumference of the inner ring of the standard sports track is 400 meters, of which the radius of the innermost curve should be 36.5 meters, and the straight line should follow the north-south direction to avoid the dazzling influence of the low sun. The playground of colleges and universities in China adopts the IAAF track and field facilities standard, that is, the inner ring is 400 meters. Therefore, the track and field of Jinan University also uses a standard playground of 400 meters, covering an area of 1.400 square meters. It is usually used for students' classes and sports meetings and is usually open to the public all day.