The present invention relates to a method for producing a perfluorovinylcarboxylic acid ester by reacting a perfluorovinylcarboxylic acid salt with an alkylating agent. The present invention provides a method to produce perfluorovinylcarboxylic acid ester, which is used as a raw material of an ion-exchange membrane for the chloro alkali process, in high yield from starting material, a compound which can be easily produced, in a simple manner.