The purpose of the present invention is to provide a production method for a 4 carbonyl oxyquinoline derivative that is useful as a pesticide or a fungicide for agriculture and horticulture. Provided is a production method for a 4 carbonyl oxyquinoline derivative represented by general formula (1) wherein a quinolone derivative and a halogen compound or an acid anhydride are reacted with each other in the presence of a phase transfer catalyst and a base.