The medical internet of things is divided into three aspects: "things" are objects, that is, doctors, patients, machinery and so on. "Network" is the concept of process and medical Internet of Things; "Connection" means information interaction, and the definition object of the Internet of Things standard is perceivable, interactive and controllable. Residents' health management Residents' health management includes health indicators monitoring (such as blood pressure, blood sugar, blood oxygen, electrocardiogram, etc. ), intelligent health early warning, residents' health records, health knowledge, etc. Using Internet of Things technology, through physical examination, evaluation, prevention and consultation, the trajectory of sub-health individuals from non-illness to illness is expressed in digital form, and personalized health intervention scheme is put forward to promote health to the maximum extent and achieve early prevention. The medical internet of things can monitor the changes of physical indicators of patients with chronic diseases in time, and patients with chronic diseases can automatically collect data and information when using them, and transmit them to personal health files of medical centers for real-time health management.