This study explores the application strategies of naturalistic style in packaging design to address current issues such as excessive packaging and insufficient natural aesthetics and environmental sustainability. Through analyzing the characteristics of naturalistic style and examining practical case studies, the research investigates its implementation approaches in packaging design. The naturalistic style emphasizes the integration of natural elements, manifesting ecological concepts through graphic design, form design, color schemes, and material selection to enhance packaging's natural appeal and affinity. Such design methodology not only strengthens consumers' trust and purchase intention but also aligns with environmental principles, satisfying contemporary demands for natural beauty and eco-friendly solutions. The naturalistic packaging design demonstrates significant application potential as it contributes to building favorable brand image while facilitating sustainable development in packaging industry, thereby possessing substantial promotional value.