A retail facility, comprising: a building, comprising a merchandise display area configured to place a merchandise, a packaging area configured to package a merchandise, and a shipment area configured to output a packaged merchandise; a sorting device, configured to sort the merchandise from the merchandise display area to the packaging area; a packaging device, configured to package the merchandise entering the packaging area; and a conveying device, configured to convey the packaged merchandise from the packaging area to the shipment area; wherein the merchandise display area comprises a plurality of merchandise shelves, each merchandise shelf of which is configured to place at least one category of merchandises, and each merchandise shelf of which is provided with scan information corresponding to categories of merchandises placed on the merchandise shelf; wherein the packaging area comprises a plurality of packaging ports, and the sorting device comprises: a plurality of sliding ports respectively provided below the plurality of merchandise shelves, wherein each sliding port is openable and closable; and a conveying path communicating with the plurality of sliding ports and the plurality of packaging ports, and configured to convey the merchandise sliding off from the sliding ports to a corresponding packaging port; and wherein the packaging device comprises: a closing mechanism configured to close a wrappage provided at the packaging port; and the conveying path comprises a slideway, below which the plurality of packaging ports are located, and the sorting device further comprises a flip provided at each packaging port, such that the flip is configured to allow the merchandise to fall into the corresponding packaging port from the slideway when the flip is opened. a building, comprising a merchandise display area configured to place a merchandise, a packaging area configured to package a merchandise, and a shipment area configured to output a packaged merchandise; a sorting device, configured to sort the merchandise from the merchandise display area to the packaging area; a packaging device, configured to package the merchandise entering the packaging area; and a conveying device, configured to convey the packaged merchandise from the packaging area to the shipment area; wherein the merchandise display area comprises a plurality of merchandise shelves, each merchandise shelf of which is configured to place at least one category of merchandises, and each merchandise shelf of which is provided with scan information corresponding to categories of merchandises placed on the merchandise shelf; wherein the packaging area comprises a plurality of packaging ports, and the sorting device comprises: a plurality of sliding ports respectively provided below the plurality of merchandise shelves, wherein each sliding port is openable and closable; and a conveying path communicating with the plurality of sliding ports and the plurality of packaging ports, and configured to convey the merchandise sliding off from the sliding ports to a corresponding packaging port; and wherein the packaging device comprises: a closing mechanism configured to close a wrappage provided at the packaging port; and the conveying path comprises a slideway, below which the plurality of packaging ports are located, and the sorting device further comprises a flip provided at each packaging port, such that the flip is configured to allow the merchandise to fall into the corresponding packaging port from the slideway when the flip is opened. a plurality of sliding ports respectively provided below the plurality of merchandise shelves, wherein each sliding port is openable and closable; and a conveying path communicating with the plurality of sliding ports and the plurality of packaging ports, and configured to convey the merchandise sliding off from the sliding ports to a corresponding packaging port; and wherein the packaging device comprises: a closing mechanism configured to close a wrappage provided at the packaging port; and the conveying path comprises a slideway, below which the plurality of packaging ports are located, and the sorting device further comprises a flip provided at each packaging port, such that the flip is configured to allow the merchandise to fall into the corresponding packaging port from the slideway when the flip is opened.