Being composed of four parts, this thesis tries to implore into the developing process of the theory and practice of the errors of the Magnification of Class Struggle (MOCC) and find out its reasons.

• 本文意在系统考察、梳理阶级斗争扩大化理论和实践错误的发展过程,从多角度探究其原因,总结其中的经验教训。