It's early summer, the Yangtze River Delta at this time is full of vitality, which indicates that the Yangtze River Delta has made good progress in many areas of development. For instance, railway infrastructure, digital transformation, environmental protection, consumer satisfaction, one-website government services for the most-needed affairs. The Yangtze River Delta now is striving for high-quality development to contribute to the new development pattern as a pioneer of modernization. The new thought is a basic guide for the Yangtze River Delta to contribute to the new development pattern as a pioneer of modernization. The new thinking refers to the strategic plan for a new development pattern formulated by the CPC Central Committee with Comrade Xi Jinping at its core based on the situation at home and abroad. The new thinking requires the Yangtze River Delta to take the lead in practicing the new development model, which is endowed with a new strategic significance and mission for the integrated development of the Yangtze River Delta. Last August, General Secretary Xi Jinping delivered an important speech at the Symposium on Promoting the Integrated Development in the Yangtze River Delta. Since then, Jiangsu, Anhui and Zhejiang Provinces, as well as the Shanghai Municipality, have worked together more closely, achieving unprecedented achievements and standing the tests such as Sino-US Trade Friction and COVID-19. The Yangtze River Delta is a "ballast stone" for the economy, "power source" for development, and "experimental field" for reform. With its own stability and progressiveness, the Yangtze River Delta strongly supports the development of the whole country. The effect of the integration cooperation mechanism and the correctness of the central government's important decision on the integrated development in the Yangtze River Delta are also confirmed. Serving the new development pattern as a pioneer of modernization, the integrated development in the Yangtze River Delta is entering the next stage. Provinces and the municipality in the Yangtze River Delta have launched projects since this year. For example, Shanghai builds Jiading, Qingpu, Songjiang, Fengxian and Nanhui into new comprehensive node cities in Yangtze River Delta urban agglomeration; Together with Jiangsu, Zhejiang and Anhui Provinces, Shanghai builds the Great Hongqiao Region into the "King of Kings" among the regions with strong and active growth in the Yangtze River Delta and the "Rainbow Bridge" connecting the domestic and foreign markets; Jiangsu and Anhui Provinces jointly promote the construction of Nanjing Metropolitan Area; Zhejiang Province accelerates the construction of Nanjing Metropolitan Area; The construction of Yangtze River Delta community of sci-tech innovation emphasizes the interdisciplinarity, talent training, and the confidence for innovation... The Yangtze River Delta is becoming a region of China's economic growth with a stronger driving force, better structure and higher quality at a faster pace. In this process, Shanghai is the leading body, Jiangsu, Zhejiang, Anhui are assistants with their own strengths. The condition is 1+1+1+1>4 fusion effect, and the fundamental is the integrated and high-quality development. In cyberspace, encouragement and praise for the Yangtze River Delta can be seen everywhere: "This is the most dynamic land in the world", "salute this great project", "activate new drivers of development"... The public approves of us, but we have to make demands of ourselves. This means that as pioneers in contributing to the new development pattern, we must combine patience and urgency with long-term planning and concrete actions. The Yangtze River Delta is an ideal place with endless opportunities.