This standard mainly specifies the scope, terms and definitions, product classification and model naming, technical requirements, test methods, inspection rules and signs, packaging, transportation, storage and other technical contents of built-in microwave ovens for household and similar purposes. At the same time, the scope of the standard is also clarified: This standard is applicable to built-in microwave ovens for household and similar purposes with a rated voltage not exceeding 250V. An evaluation mechanism is introduced focusing on the cooking performance of built-in microwave ovens, providing a reference for consumers to choose suitable and excellent products.