The invention provides a method for extracting eucommia ulmoides gum from eucommia ulmoides shell.The refined eucommia ulmoides gum is extracted through mechanical crushing, ozone oxidation, rinsing, drying, purifying and the like.The purity of the refined eucommia ulmoides gum reaches 99.9%, and the gum extracting rate reaches 18%.The method is high in extracting rate, short in extracting time, low in cost, almost zero in environmental pollution, and the like.