Deep learning, a rapidly advancing branch of artificial intelligence (AI), is revolutionizing the landscape of healthcare by enabling machines to perform complex tasks such as pattern recognition, classification, and prediction with unprecedented accuracy. Unlike traditional machine learning, which relies heavily on manual feature extraction, deep learning employs artificial neural networks capable of automatically learning from large volumes of raw data. This capability has made it a powerful tool in solving some of the most intricate problems in healthcare.Despite the challenges surrounding data privacy, model interpretability, and regulatory compliance, the benefits of deep learning in healthcare are profound. It streamlines clinical workflows, reduces diagnostic delays, supports evidence-based decisions, and improves the overall quality of care. As research continues to evolve, deep learning holds immense promise in addressing some of the most pressing challenges in global health-ranging from early disease detection and chronic illness management to outbreak prediction and drug discovery.