Magnesium ion(Mg2+) is one of the essential elements of the human body and is widely distributed in the human body. Mg2 +has a very wide effect on the nervous system by improving the learning and memory ability of rats, which is mainly related to the promotion of synaptic long-term potentiation. Mg2+can enhance the absorption of transmitters in presynapse, and promote the transcription and translation of related proteins such as N-methyl-D-aspartate receptor NR2 B and brain-derived neurotrophic factor in po...