In order to study the de-icing effect of granulated crumb rubber asphalt pavement,the authoranalysis the deicing evaluation index and the broken reason of ice which on the surface of road.The author puts forward broken rate which is based on the calculation method of evaluation index ofpavement damage as an evaluation index of deicing ability.Through indoor test,the author analysisthe influence of deicing ability,laid the foundation for the promotion of granulated crumb rubber asphaltpavement.