The invention provides wax removing liquid. The wax removing liquid is prepared from the following components in parts by weight: 25-150 parts of a sulfonate surfactant, 20-30 parts of fatty alcohol polyoxyethylene ether and/or salts thereof, 5-8 parts of aspartic acid diethoxy succinic acid, 1-5 parts of maleic anhydride and 50-120 parts of water, and further comprises 20-35 parts of stearic acid gluconate methyl glycoside maleic diester and 5-8 parts of a metal chelating agent. Meanwhile, the invention further discloses application, a preparation method and a wax removing method of the wax removing liquid. By adopting the wax removing liquid, the problems of existing wax removing liquid of an existing ceramic polishing workpiece that the washing efficiency is relatively low, the number of times of utilization is less and the existing wax removing liquid is not environmentally friendly are solved.