(EN) Provision of a method of producing2-fluorocyclopropane-1-carboxylic acid ester by efficiently dehalogenating l-halogeno-2-fluorocyclopropane-1-carboxylic acid ester.[Means for Solution]Amethod of producing 2-fluorocyclopropane-l-carboxylic acid ester, which includes allowing a compound represented! by the following formula (1): (Figure Remove) wherein X represents a chlorine atom, a bromine atom or an iodine atom and COOR1 represents an ester; to react with a reducing agent in the presence of a phase transfer catalyst. [Selected Drawings] None