Using audit fees data from Chinas listed firms during 2001 to 2013， we concentrate on the effect of competitive pressure and competitors characteristics on the audit pricing. Our results indicate that competitive pressure from the closest competitor can significantly affect the audit pricing decision. Especially， when competitors have a low level reputation， and when they have not acquired industry specialization and are at a disadvantage， audit firms will reduce audit fees under competitive pressure to compete efficiently. The test proves the result of the text.