The Mathematical model of proofreading and its applications in several areas havebeen discussed in this parer. And the MLES of misprints and operational level of proofread-ing have been given.

• 本文建立了清样校对过程的数学模型;给出了误印总数及校对水平的极大似然估计;讨论了该模型在经营管理、质量控制、审计检查等方面的应用。