The change of the main social contradiction in the report of the 19th CPC National Congress is a historic change related to the overall situation, which marks the major change in China's social structure and distribution pattern in the new era, and the approaching new era of common prosperity.In the new era, the connotation of China's social structure and distribution pattern has changed greatly, and shown the following characteristics.1. It changes from people’s ever-growing needs for material and culture to people's ever-growing needs for a better life.2. It changes from the backwardness of social production to the unbalanced and inadequate development.3. The relevance between the amount of material wealth and the position of social class is increasingly separated.4. The composition of personal income will be diversified and equalized.5. The quantity and quality of people's ever-growing needs for a better life will be continuously improved.The countermeasures to establish and improve China's social structure and distribution pattern in the new era and to promote common prosperity are as follows.1. We should establish and improve the social structure and distribution system of socialism with Chinese characteristics in the new era, and constantly narrow the class gap and income gap, which are the institutional guarantee for achieving common prosperity.2. We should deepen the supply-side structural reform and try to meet people's ever-growing needs for a better life, which are the necessary conditions for achieving common prosperity.3. We should promote the construction of public service system and expand the sharing of development achievements, which are the important subjects for achieving common prosperity.4. We should strengthen efforts on targeted poverty alleviation, and constantly improve the income level of low and middle income earners, which are the foundation for achieving common prosperity.5. We should promote cultural and environmental construction and constantly meet people's needs for spiritual wealth and ecological products beyond material wealth, which are the inexhaustible source for achieving common prosperity.
