Along with the utilization of municipal solid wastes(MSW) incineration technology, the pollution problem of heavy metals in fly ash from MSW incineration becomes increasingly serious. The methods of fly ash treatments and disposal for MSW incineration at home and abroad, as well as advancement of study thereof have been presented, the fly ash stabilizing methods for MSW incineration being emphatically expounded, and the development direction of fly ash treatment for MSW incineration in the future being put forward.