This standard specifies the product classification, classification, requirements, test methods, inspection rules, signs, packaging and storage of synthetic resin emulsion exterior wall coatings. This standard applies to the preparation of synthetic resin emulsion as the base material, pigments, extender pigments (pigment or extender pigments may not be added to the primer) and various additives, and can form a thin coating with a smooth surface after application. Exterior wall coatings, including primers, primers and topcoats. The coating is suitable for decorating and protecting the exterior surfaces of buildings and structures.