中庸是孔子、子思等儒家思想家所倡导的宇宙观、方法论和道德境界。中庸起着维护地主阶级统治的作用 ,并对我国国民性格的形成与发展起着消极的影响。中庸哲学作为一种方法论 ,虽与马克思主义的质量互变规律有本质区别 ,但仍有积极的借鉴意义。 Doctrine of the mean is the cosmology, methodology and moral realm advocated by Confucian thinkers such as Confucius and Zi Si. The doctrine of the mean plays the role of safeguarding the domination of the landlord class and has a negative impact on the formation and development of the national character of our country. As a methodology, the doctrine of the mean doctrine still has positive referential significance though it is essentially different from the law of mass mutual transformation of Marxism.