A novel fluorine-containing unsaturated compound and a method for its production. A fluorine-containing unsaturated compound represented by R1CY1HCY2Y3OQ1CH═CH2 or CH2═CHQ2OCZ1Z2CZ3HR2CZ4HCZ5Z6OQ2CH═CH2 (wherein R1 is a monovalent fluorine containing organic group, etc., R2 is a bivalent fluorine containing organic group, etc., Y1 to Y3 and Z1 to Z6 are fluorine atoms, and Q1 and Q2 are alkylene groups, etc.). A method for producing a fluorine-containing unsaturated compound having a group represented by —CX1HCX2X3OQCH═CH2 (wherein X1 to X3 are fluorine atoms, and Q is an alkylene group, etc.), which comprises reacting a compound having —CX1═CX2X3 with HOQCH═CH2 in the presence of an alkali metal compound.