"Investing in people" is not only a strategic support to promote high-quality development, but also an inevitable requirement of Chinese-style modernization. It inherently fits the five propositions of population size, common prosperity, coordinated development, green development and peaceful development covered by Chinese-style modernization. In the process of comprehensively promoting Chinese-style modernization, we must adhere to high-quality development to realize the transformation from demographic dividend to talent dividend, develop whole-process people''''s democracy to expand people''''s participation space, promote the building of a cultural power to enrich people''''s spiritual world and enhance their quality and capabilities, strengthen public services and Peace China construction to enhance people''''s development resilience and quality of life, promote green and low-carbon development to achieve the harmonious and sustainable development between humanity and nature, further create a convenient environment for investing in people, and constantly improve people''''s comprehensive quality and expand people''''s development possibilities, so as to promote Chinese-style modernization towards a higher level and more sustainable direction.