This document specifies the terms and definitions, system structure, basic requirements, technical requirements, test methods, inspection rules, instructions, signs, packaging, transportation and storage and quality commitments of smart envelope boxes. This document is applicable to smart envelope boxes installed in residences and residential areas, government agencies, enterprises and institutions, schools and hospitals. Smart envelope boxes installed in other places can also be used as a reference. This document does not apply to smart mailboxes with refrigeration and insulation conditions and the function of fresh cold chain parcel delivery.