The utility model provides a password bill capable of identifying automatically. The password bill capable of identifying automatically includes a bottom layer and a top layer. A chip is arranged between the bottom layer and the top layer. When reading information of the password bill capable of identifying automatically provided by the utility model, the information can be read quickly through scanning the chip inside. The reading speed is high and the reading is accurate. The working efficiency in the financial field can be improved effectively. Through comparing information read from the chip inside and the information in the password bill capable of identifying automatically, the counterfeiting is prevented and the safety performance is improved.