Gellan gum has some traits as follows:1.Little usage amount;2.Good heat stability and resisting acid;3.Good releasing scent;4.Excellent gel transparentation;5.adjustable elasticity and hardness;6.Good compatibility. It will take on the character of pseudoplastic fluid when Gellan gum is used about 0.01%-0.04%,and it can shape clear and transparent gum when the usage amount is above 0.05%.The intensity of gum which is generated by the usage amount of 0.25 percent of Gellan gum is the same with that which is generated by the usage amount of 1.5 percent of Agaragar and 1 percent of Carrageenin.The usural usage amount of Gellan gum,which is the one fifth to one twice of that of the Ggaragar and Carrageenin, is 0.1%-0.3%.