Relying on core characteristics such as high magnetic field uniformity, low magnetic distortion, good biocompatibility, and stable reliability, permanent magnet assemblies for the medical field strictly follow the requirements of “clinical-grade safety standards + high-precision magnetic performance + harsh-environment adaptability”. They not only feature ultra-high magnetic uniformity (magnetic field non-uniformity ≤ ±0.1%), low magnetic distortion, and long-term magnetic stability (annual demagnetization rate ≤ 0.05%), but also use medical-grade non-magnetic-contamination materials (such as titanium-alloy coatings and medical stainless-steel encapsulation) that comply with ISO 10993 biocompatibility standards, with no leaching of harmful substances such as nickel and lead. They also pass authoritative certifications such as CE, FDA, and NMPA, support miniaturized and lightweight designs, and adapt to a working environment of -40°C to 85°C as well as requirements for vibration resistance and radiation resistance. They are widely used in key scenarios such as imaging diagnosis (MRI, MRA, and ultrasound diagnostic equipment), minimally invasive treatment (magnetic navigation surgical systems and tumor hyperthermia equipment), in vitro diagnostics (magnetic immunoassay analyzers, chemiluminescence detectors, and nucleic acid testing equipment), rehabilitation assistance and implantable devices (permanent-magnet rehabilitation devices, artificial joints, and cardiac pacemakers). They provide precise and controllable magnetic-field support for equipment, ensuring the accuracy of diagnostic and treatment data and treatment safety; improve equipment operating efficiency through high magnetic flux density; meet the needs of different medical devices through customized design; and, with stable and durable advantages such as sterilization resistance and low demagnetization rate, plus lightweight and miniaturized integration features, satisfy the development trend of medical equipment toward miniaturization and intelligence, reduce operation and maintenance costs for medical institutions, and inject safe and reliable core magnetic power into the medical and health field’s upgrades toward precision, minimally invasive procedures, and intelligent systems.