The invention is wearable on arms and wrists of users and comprises a main board, a display screen, a touch screen, a keyboard, audio input equipment, audio output equipment, video input equipment, a power supply, an out-laid memory card, an Ethernet network interface card, a wireless network interface card, a Bluetooth transceiving module, a bar code scanner, a proximity card reader-writer, a wireless sensing network node, and an accelerometer. The system is integrated with the hardware platform of an ARM series microprocessor and a Linux operation system. The tag data of cargos are read and stored by the bar code scanner or the proximity card reader-writer, and are transmitted to a background database through a wired or wireless network or exchanged with other wireless terminals at short distance through a Bluetooth module and wireless sensor network nodes. The system can be widely applied in the occasions of logistics storage, business retail, medical health protection and mobile meter operation.