7075 aluminum alloy is a multifunctional industrial metal material with excellent corrosion resistance, mechanical properties and processing properties. It is widely used in aerospace, military and other fields. Focusing on the application of 7075 aluminum alloy additive manufacturing, this paper analyzes the process advantages of laser hybrid additive manufacturing of 7075 aluminum alloy with various heat sources, and discusses the research progress of hybrid technology of 7075 aluminum alloy laser and TIG, MIG and other additive methods at home and abroad. Finally, the problems and future development directions of 7075 aluminum alloy laser hybrid additive manufacturing technology in practical application are summarized.