This paper provides a comprehensive survey of artificial intelligence (AI) in the medical field, discussing its development history, current status, and applications. AI has been increasingly used in healthcare to improve efficiency, reduce costs, and enhance the quality of medical services. With the advancement of IoT, 5G, 6G, and computing power, AI-assisted healthcare has seen significant progress. AI can assist in disease diagnosis, drug development, medical imaging, electronic medical records, health management, and medical robotics. It has the potential to enhance medical efficiency, reduce healthcare costs, and provide more personalized and intelligent services for patients and healthcare professionals. The paper also discusses the challenges and opportunities of AI in the medical field, including the need for large-scale data, the complexity of medical problems, and the ethical and regulatory issues. The study highlights the importance of AI in the development of precision medicine and its potential to transform the healthcare industry. The paper concludes that AI has a promising future in the medical field, with continued research and development expected to further improve its applications and impact on healthcare.This paper provides a comprehensive survey of artificial intelligence (AI) in the medical field, discussing its development history, current status, and applications. AI has been increasingly used in healthcare to improve efficiency, reduce costs, and enhance the quality of medical services. With the advancement of IoT, 5G, 6G, and computing power, AI-assisted healthcare has seen significant progress. AI can assist in disease diagnosis, drug development, medical imaging, electronic medical records, health management, and medical robotics. It has the potential to enhance medical efficiency, reduce healthcare costs, and provide more personalized and intelligent services for patients and healthcare professionals. The paper also discusses the challenges and opportunities of AI in the medical field, including the need for large-scale data, the complexity of medical problems, and the ethical and regulatory issues. The study highlights the importance of AI in the development of precision medicine and its potential to transform the healthcare industry. The paper concludes that AI has a promising future in the medical field, with continued research and development expected to further improve its applications and impact on healthcare.