This article relies on school teaching reform project, combined with the reform of practical experience, making a survey of the problem of undergraduate education and discussing depthly the connotation and characteristics of "double main teaching". Application"double main teaching"model on undergraduate teaching in order to improve the quality of undergraduate teaching and practical ways."Double main teaching"model is essentially only way to achieve improving the quality of undergraduate teaching.%依托学校教学改革项目，结合改革实践经验，调查本科教学现存问题，深入探讨双主教学模式的内涵、特点，并实际应用双主教学模式于本科教学工作中。双主教学模式是实现本科教学质量从根本上得到提高的重要途径。
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