The invention provides an account login method and device. The method includes the steps that a
password obtaining request transmitted by a
client is received; number information bound to the account information is obtained according to the
password obtaining request, dynamic passwords are generated, the dynamic passwords are sent to a corresponding mobile terminal according to the number information, and the one-to-one correspondence relation between the account information and the dynamic passwords is obtained from a
database; a login request transmitted by the
client is received, and dynamic passwords corresponding to the account information are obtained from a
database according to the login request; the dynamic passwords in the login request are compared with the dynamic passwords obtained from the
database, if the dynamic passwords in the login request are the same as the dynamic passwords obtained from the database, the login method and device perform login
processing for accounts corresponding to the account information, while a safety login guarantee is provided for the multiple accounts of a user, it is avoided that the user must simultaneously input an account name and a
mobile phone number to obtain the dynamic passwords, operations of the user are simplified, and login experience degree of the user is improved.