The invention particularly provides a calculator with a wallet and an identifiable electronic tag. The calculator comprises a shell, a storage battery and a display screen. The calculator is characterized in that the wallet is connected on one side wall of the back of the shell, and the back of the shell is provided with a pocket capable of storing money or cards; the shell is provided with an RFID (radio frequency identification) card reader and a processing module, the processing module is connected with the RFID card reader and the display screen respectively, and the storage battery is connected with the RFID card reader, the display screen and the processing module. Compared with the prior art, the calculator has the advantages that the calculator has a calculation function and can be used as the wallet for storing money and magnetic cards. In addition, food or other articles with electronic tags can be identified, and the calculator is very important for people's health.