This review paper provides overview of AI applications in healthcare, highlighting advancements, challenges, and future directions. We explore how AI technologies are being employed to improve disease diagnosis, personalized planning of treatment, patient monitoring, administrative medical tasks, and delivery of drug. Furthermore, we discuss the regulatory AI in healthcare area, along with potential strategies to address these concerns.AI application analyze large amounts of medical data, medical records, and genetic information, healthcare for more informed decisions about diagnosis and treatment plans.