|（Department of Physical Education,Qiannan Normal College of Nationalities, Duyun 558000,China）
Abstract: The development of modern track and field sports tends to be commercial.This trend brings huge economic benefit to supply the fast, full-scale development of track and field sports with material security. With the socialist economic market gradually completing, the track and field sports of china is accelerating the commercial progress. If the track and field sports wants to develop continuously:it must obey the principle that“commercial benefit can never go far beyond the development of itself” during the commercial progress.
Key words: track and field sports；commercial； economic benefit