本文根据社会基本矛盾运动的规律,论述了社会主义革命的复杂性,及其在经济文化相对落后的国家首先胜利的必然性。并论述了在起点低,并在发达资本主义国家的包围下,所造成的社会主义建设的种种艰难和复杂。论证社会主义代替资本主义的长期性和必然性。从而批判了社会主义“速胜论”和“怀疑论”的思想,坚定人们的社会主义信念。 Based on the law of basic social contradictions movement, this article discusses the complexity of the socialist revolution and the inevitability of its victory in the country where economy and culture are relatively backward. And discussed the difficulties and complications in building socialism under the low starting point and surrounded by the developed capitalist countries. Demonstrate the Long-term and Necessity of Socialism instead of Capitalism. Thus criticizing the ideas of “quick victory” and “skepticism” of socialism and upholding the people's socialist conviction.