Goods storing and taking terminal system and method for collecting files or books and letters

The invention provides a goods storing and taking terminal system. The goods storing and taking terminal system comprises a goods storing and taking terminal and a storage unit. Wherein the goods storing and taking terminal is provided with a goods carrying assembly and can store a transportation box; the storage unit can store a plurality of file pockets or envelopes, and the storage unit can be conveyed to the goods storing and taking terminal or conveyed out of the goods storing and taking terminal through the unmanned vehicle and/or the unmanned aerial vehicle. Part or all of the file pockets or envelopes stored in the storage unit can be driven by at least one of the acting force of the storage unit, the acting force of the goods storing and taking terminal and the self gravity of the file pockets or envelopes so as to be transferred to at least part of the transport box. The cargo carrying assembly can also move the transport box filled with the file pockets or the envelopes to be close to the unmanned