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Diabetic foot is a common condition that imposes a substantial burden on patients and society. Although prolonged activity restriction in traditional management may facilitate ulcer healing, it is detrimental to overall health. Therefore, a balance must be achieved between promoting wound healing and preserving mobility. Offloading and immobilization constitute the core principles of diabetic foot management. Offloading reduces wound stress by redistributing plantar pressure, whereas immobilization promotes local healing by limiting joint motion. To effectively balance these two therapeutic principles, the medical team led by German physicians Dirk Hochlenert and Gerald Engels has accumulated extensive clinical experience through years of clinical practice combining FiF!mobil^® felt padding with non-removable offloading orthoses. This article elaborates on the core concepts of pressure offloading and immobilization with targeted clinical examples. The introduced protective devices are structural components designed to redistribute abnormal plantar pressure points without inducing secondary tissue damage, enabling standardized clinical implementation. Given the limited nationwide adoption of this technique in China, our research team co-authored this paper with the aforementioned German specialists to introduce this integrated therapeutic regimen, provide standardized training protocols and practical tools for clinicians, and facilitate continuous improvement in the prevention and management of diabetic foot disease.