Small standard logistics box, logistics system and express delivery method

The invention provides a small standard logistics box, a logistics system and an express delivery method. By using a unified size, the logistics box can be repeatedly used while optimizing utility rate of freight space, thus reducing waste and being green and environment-friendly; and by arranging a wireless communication module stored with logistics data on the logistics box, articles can be automatically sorted, and thereby sorting efficiency is greatly improved, and labor cost is effectively reduced; since the logistics data only can be read by special equipment, so that safety of user information can be effectively ensured; in addition, the box is provided with a coded lock controlled by the wireless communication module, so that the safety of cargos in a transportation process are further improved by only sending the password of the coded lock to a consignee.