The invention discloses a multifunctional transaction management system based on Internet and APP.The multifunctional transaction management system comprises a cash register, a keyboard, a printer, a POS terminal, a two-dimensional code scanning device, a master control server, a wireless communication module, a container management server, a water, electricity and gas management server, a UnionPay server, a logistics management server, a group purchase platform server, an online shopping server, a bar code scanner, a touch display screen and a package locker.The keyboard, the printer, the POS terminal and the two-dimensional code scanning device are connected with the cash register; the wireless communication module, the bar code scanner, the touch display screen and the cash register are connected with the master control server; the container management server, the water, electricity and gas management server, the UnionPay server, the logistics management server, the group purchase platform server and the online shopping server are connected to the wireless communication module; the package locker is composed of multiple storage boxes, and a transmission mechanism is arranged in each storage box.Online and offline functions and self package pick-up are achieved, and the multifunctional transaction management system facilitates life of people.