Nanotechtonics enabled biomaterials serve as biomarkers to enhance disease detection by improving sensitivity and specificity compared to standard diagnostics methods. This technique integrates biosensors, imaging agents, and lab-on-a-chip systems to enable rapid identification of disease as well as personalized treatments. In controlled drug delivery, tissue engineering, and immunomodulation, biomaterials help in minimizing adverse effects and maximizing therapeutic benefits. Biomaterials comprise of polymers, ceramics, metals, composites, and nanomaterials engineered through precise material selection, functionalization, and fabrication. Advanced techniques like electrospinning and 3D printing ensure precision, while surface modifications and smart-responsive systems enhance performance. Preclinical and clinical evaluations address safety, efficacy, and regulatory compliance. However, scalability, biocompatibility, and sustainability remain open challenges. Next-generation healthcare innovations will leverage AI-driven biomaterial discovery, patient-specific applications, and real-time monitoring, positioning biomaterials as the cornerstone of next generation medicine.