This article explores the effects of laser light on fungus, delving into the science behind laser-fungus interaction. It examines how lasers affect mitochondrial function, protein conformation, and DNA damage in fungi, and discusses practical applications in medicine, food safety, and industry. The article highlights research findings and potential uses of laser-assisted treatment for fungal diseases and food sanitation. Ultimately, it concludes that understanding the interaction between laser light and fungus offers valuable insights into underlying biology and technological innovation.