This chapter embarks on a pivotal exploration into the enhancement of neighborhood food availability, recognizing its profound importance in fostering safer and healthier urban environments. Access to nutritious food within neighborhoods is not only a fundamental aspect of public health but also plays a crucial role in shaping the social, economic, and environmental fabric of urban communities. In the wake of the COVID-19 pandemic, which has magnified existing disparities in food access, understanding and addressing challenges related to neighborhood food availability have become increasingly urgent. The ability of residents to access a diverse range of affordable and nutritious food options within their immediate surroundings directly impacts their dietary choices, health outcomes, and overall well-being. Moreover, disparities in food access are often intertwined with broader issues of social equity and justice, with marginalized communities disproportionately affected by limited access to healthy food options. Addressing these disparities requires a multifaceted approach that considers factors such as neighborhood infrastructure, socio-economic status, and food retailing practices. Against this backdrop, our study focuses on Changsha, China, as a case study to explore the complex dynamics of neighborhood food availability. By examining the relationship between neighborhood housing prices and food outlet availability, we aim to uncover insights that can inform strategies for promoting equitable access to nutritious foods and improving public health outcomes. Additionally, we investigate the perception and use of daily consumer facilities by the elderly in suburban areas, assessing how factors like distance and facility size influence their accessibility and utilization. Lastly, we explore the correlation between neighborhood food environments and cardiovascular and metabolic health indicators, with a focus on the mediating effect of commuting distances. Through this comprehensive exploration, we seek to contribute to a deeper understanding of the factors influencing neighborhood food availability and to inform evidence-based interventions aimed at creating safer, healthier, and more inclusive urban environments for all residents. By prioritizing food availability as a key component of urban planning and public health efforts, we endeavor to promote equity, resilience, and well-being within urban communities.