This exterior wall external insulation adhesive is a high-performance bonding material specially designed for external wall external insulation systems. It is scientifically formulated and mixed with high-quality cement, selected quartz sand, high molecular polymers and various functional additives. It features high bonding strength, excellent weather resistance and convenient construction. It is suitable for the reliable bonding between thermal insulation layers and base walls of various building exterior walls, and is a key supporting material for achieving building energy efficiency and structural safety.