Abstract: An intelligent nursing system for hospital wards is designed. With STM32 as the core and Internet of things technology, the intelligent nursing system can obtain body temperature, heart rate and control all the facilities in the ward by itself through the mobile APP. The intelligent nursing system has the advantages of simple operation, high accuracy of measurement data, stiff stability and good real-time performance. It can not only realize comprehensive real-time health monitoring for patients, but also greatly reduce the workload of nurses and improve work efficiency.