The present invention provides a process for producing a fluorine-containing alkylsulfonylaminoethyl .alpha.-substituted acrylate represented by general formula [3]: ##STR00001## which comprises reacting an aminoethyl .alpha.-substituted acrylate represented by general formula [1a] or a salt thereof: ##STR00002## with a fluorine-containing alkylsulfonyl halide represented by general formula [2a] or a fluorine-containing alkylsulfonic anhydride represented by general formula [2b]: ##STR00003##