In the past 70 years，the development of China has brought about rich theoretical and practical results. This includes：①in the field of economy，it has realized the miracle of rapid development；②in the field of politics，it has opened up a new realm of “governance of China”；③in the field of culture，it has consolidated the common ideological foundation of the whole people；④in the field of society，it has realized the miracle of long-term stability；⑤and in the field of ecological civilization，it has promoted the harmonious symbiosis between man and nature. The theoretical and system achievements of New China in the past 70 years include：①it has stepped out a road of socialism with Chinese characteristics；②put forward series theoretical achievements of the Sinicization of Marxism；③formed a more mature and stereotyped institutional system. The enlightenments of China Road to all countries in the world include：① Developing countries should explore their own development path that different from western countries；②The development of socialism with Chinese characteristics has led the world socialist movement to recover from the low tide.