2-Oxazolidinone can be used in the field of pharmaceutical and chemical industry. At the same time, 2-Oxazolidinone compounds can be used as intermediates for the synthesis of drug molecules, such as pepper ethylamine hydrochloride and berberine. 2-Oxazolidinone can also be used in the synthesis of daily chemical products such as fibers, reactive dyes, cosmetics, lubricant additives, rust inhibitors and dye additives. At the same time, it is also an important intermediate for the synthesis of carbazide and cyclohexylnitrourea. It can also be used to absorb SO2 from waste gas and recycled through regeneration.