The metabolic balance of zinc, as an essential trace element in life, is a necessary condition for the normal progress of various physiological functions. In recent years, several studies show that imbalance of zinc homeostasis plays an important role in the occurrence of Alzheimer' s disease and that restoring zinc homeostasis effectively improves the pathological manifestations and cognitive impairment in Alzheimer' s disease, but the mechanism has not yet been fully researched clearly. In this review, we briefly introduce the influence of im...