Monosodium glutamate is a food additive, and its main component is sodium glutamate, an amino acid salt. Those who work in the monosodium glutamate factory will only be exposed to low-concentration forms of monosodium glutamate, not high-concentration food additives. It means that the concentration of exposure to monosodium glutamate is relatively low, which is not enough to have a harmful effect on fertility. The working environment of monosodium glutamate factory will have an impact on health, such as working pressure, standing for a long time, working in shifts, etc.