There is a lot of underused, vacant space in Chinese cities due to various factors, including the country's ongoing urbanization shift. These areas frequently waste social resources, damage the city's reputation, house possible security issues, and impede the advancement of urbanization. The rising vacant space and the declining demand for historic structures harm the city's economy. It is essential to investigate transformation techniques and the currently vacant space challenges. This article examines the origins, traits, and effects of urban vacant space on Chinese cities and the lives of their inhabitants. It argues that concepts like continuity, utility, humaneness, sustainability, and context awareness should guide the transformation of urban vacant spaces.