Disclosed is a one-time
password operating method, comprising: when a one-time
password detects a valid key, judging the type of a pressed key, if the pressed key is a power-on key, detecting whether a current power-on logo is set, if yes, resetting same, otherwise, setting same and inspecting whether a locking logo is set, if yes, entering an unlocking code interface, otherwise entering an information interface; if the pressed key is a delete key, deleting data at the
tail end of a
data cache area; if the pressed key is a number key and the one-time
password is not in the information interface, storing corresponding data in the
data cache area; if the one-time password is in the information interface, judging whether the time for the key being pressed down goes beyond a preset time period, if yes, entering a power-on password modifying interface, otherwise storing corresponding data in the
data cache area; if the pressed key is an Enter key and the one-time password is not in the information interface, judging whether the data in the data cache area are correct or meet requirements, if the one-time password is in the information interface, generating a dynamic password and displaying corresponding contents.