In recent years,there are more and more waste rock wool,which has become a difficult problem in the treatment of industrial waste.At present,there is no perfect treatment scheme,and most of the waste rock wool has not been well treated.Therefore,this paper intends to obtain a treatment method of waste rock wool by observing the state of waste rock wool at different temperatures and chemical formation of waste rock wool after heating.The results showed that the main components of waste rock wool after combustion are CaO,SiO₂,Al₂O₃,MgO and Fe₂O₃,which are non-toxic and harmless to the environment and will not cause pollution to the environment.The average volume reduction of waste rock wool after combustion could reach 85.25%.By observing the combustion products of waste rockwool at different temperatures,it was found that when the heating temperature of rock wool was 1 100 ℃,the waste rock wool was fully burned.Therefore,the waste rock wool could be burned at 1 100 ℃ to solve the problem of waste rock wool waste land resources,land and environment pollution.