Preparation method of vinyl sulfate

The invention discloses a preparation method of vinyl sulfate, which comprises the following steps: reacting ethylene glycol and diethyl sulfate in the presence of an alkaline catalyst to generate vinyl sulfate, wherein the alkaline catalyst is one or more of lithium hydroxide, sodium methoxide, sodium ethoxide, potassium carbonate, sodium carbonate and lithium carbonate; the method can reduce environmental pollution, is more environment-friendly, and has the advantages of simple and safe operation, ideal yield and the like.