2-Methyltetrahydrofuran-3-thiol (2-methyl tetrahydrofuran-3-thiol) is an essential sulfur-containing perfume. Among the flavours, sulfur-containing flavours play a very important role. The sulfur-containing spice has a low aroma threshold, strong characteristics and a small dosage, can be widely used for blending edible essences, particularly meat essences, has an essential effect on improving the quality and the grade of the essences, is a very important edible spice, has the product selling price of thousands yuan to tens of thousands yuan per kilogram, and has obvious economic benefit. The sulfur-containing spice is often a trace fragrant component of food; more and more sulfur-containing compounds are detected in the food along with the continuous development of analysis technology, and the sulfur-containing spice has the characteristics of small using amount, high selling price and strong fragrance characteristic, and is increasingly paid attention by people.