本文通过回顾社会主义发展历程，认为原苏联通过自我丑化、自我否定的改革导致了有着70多年历史的社会主义国家顷刻解体，中国通过自我完善、自我发展的改革使社会主义在中国取得了举世瞩目的辉煌成就。因此，认真通过总结历史经验教训，对于澄清理论是非，坚定社会主义信念极为有益。 By reviewing the history of socialism, the author believes that the reform of the self-denial by the former Soviet Union led to the immediate dissolution of the socialist countries with a history of more than 70 years. Through self-improvement and self-development reforms, China has made social gains in the world Brilliant achievements. Therefore, it is extremely beneficial to clarify the theory of right and wrong and strengthen the conviction of socialism by earnestly summing up lessons from history.