As a new liquid metal material， gallium not only has the basic properties of conventional metals such as high thermal conductivity， high electrical conductivity， and excellent mechanical properties， but also has typical liquid metal properties. These characteristics make it the most promising biomedical material in biomedical applications. Gallium and its compounds have broad application prospects in the biomedical field. With the industrialized development of biomedical materials， they are receiving extensive attention in the medical and health undertakings around the world. This article reviews the current status of application of gallium and its compounds in biomedical fields such as antibacterial， biological imaging， filling materials， and disease treatment， and discusses its future research contents and directions.