Glass ionomer Cement (GIC) is a kind of new dental restorative material. At present, GIC is finding wider use in dental clinical practice such as restoration, adhesion, cavity liner, cure of dental sensitivity and temporary restoration of cavity, because it has several excellent advantages of strong adhesive strength, low stimulation, inhibition of carious teeth. In this paper, the history of glass ionomer cement is introduced and the researching development and perspective of modified glass ionomer cement is elaborated.