This insulating glass desiccant can deeply co-adsorb the resident moisture and organics in Insulating Glass, keep the IG clear and transparent even at very low temperature. More important, it can successfully avoid the tremendous air pressure unbalancing placed on the glasses, which was superposed by seasons of day –night temperature changing and the ensuing air desorption and adsorption function of common IG desiccant. Thus it resolves the problems of windows distortion caused by IG inflation and shrink, expanded the life span of IG windows.