An object of the invention is to provide an artificial nail removal method by which the burden on the fingertip or nail is reduced without compromising the merit of the glossiness of nail decorations, and without using acetone at the time of removal. Another object of the invention is to provide a nail art kit and an artificial nail composition that are used for the artificial nail removal method, and an artificial nail that uses the artificial nail composition. Disclosed is an artificial nail removal method including a step of applying an artificial nail composition on or above the nail of a human being or an animal, or on or above a support to form a coating film; a step of drying and/or exposing to light the coating film, and thereby forming an artificial nail; and a removal step of removing the artificial nail by bringing the artificial nail into contact with a removal liquid, in which the artificial nail composition includes (Component A) a compound having an ethylenically unsaturated group and an acid
