With block chain, the healthcare industry could benefit from a protected and spread-out method of storing medical information about patients. The chapter looks at how block chain technology is being used in healthcare, covering electronic health records, research trials and handling the supply chain. The report also explores the challenges that healthcare faces when it comes to introducing block chain such as issues with rules, privacy and making systems connect. As well as describing the current use of block chain in healthcare, this chapter examines its likely future developments such as decentralized organizations and smart contracts. Finally, the chapter discusses why the success of adopting block chain technology in healthcare requires healthcare companies, technology businesses and policymakers to collaborate. Here, we aim to help healthcare professionals, technology experts and policymakers grasp the future and difficulties of using block chain technology in healthcare.