As the society begins to develop towards information intelligence and the economic age begins to move towards the digital economy, China's social productivity is also developing rapidly, and it is urgent for China's domestic ideas of common prosperity and the promotion of poverty alleviation and development. This article aims to study the promotion of the idea of common prosperity in China and the implementation of poverty alleviation and development in the context of information intelligence and the digital economy. For this reason, this article proposes a method of data collection. Through the research and analysis of data collection methods, we can accurately collect the poverty situation and income gap in China, once to ensure that the implementation of poverty alleviation and the realization of common prosperity can move forward steadily. At the same time, an experiment was designed to investigate the poverty alleviation situation in China in recent years. The results of this article show that the speed of China's poverty alleviation and common prosperity has increased by 37% compared with the past in recent years, and the poverty alleviation work has also been accurately implemented.