The invention discloses a multi-functional 
transaction management system based on 
the Internet and APP, including a cash register, a keyboard, a printer, a POS 
machine, a QR code scanning device, a main control 
server, a 
wireless communication module, a container management 
server, a water and 
electricity management 
server,  UnionPay server, 
logistics management server, group purchase platform server, online shopping server, 
barcode scanner, touch screen and parcel locker; keyboard, printer, POS 
machine, and QR code scanning device are all connected to the cash register; 
wireless communication module, 
barcode scanner  , the touch display screen and the cash register are all connected to the main control server, the container management server, water and 
electricity management server, UnionPay server, 
logistics management server, 
group purchasing platform server and online shopping server are all connected to the 
wireless communication module; the parcel storage cabinet is composed of multiple storage grids  , there is a transmission mechanism inside the storage grid.  The invention realizes the purpose of 
online and offline and 
package self-
pickup, and facilitates people's lives.