An account login method, applied to a login device, wherein a communication connection is established between the login device and a verification device, and the method comprises: displaying a login interface of a target website, wherein the login interface is a display interface in a browser of the login device; receiving (S701) a first preset operation input on the login interface, wherein the first preset operation is used to choose to log in to the target website in an SMS message verification manner; querying (S702) a mobile number from the verification device in response to the first preset operation, wherein the mobile number is a login account of the target website; obtaining (S703) the mobile number sent by the verification device, and automatically filling (S704) an account filling position in the login interface of the browser with the mobile number; sending (S705) a trigger message to a login filling plug-in of the login device, wherein the trigger message is used to indicate that the mobile number has been filled; querying (S707) verification information corresponding to the target website from the verification device, wherein the verification information is an SMS verification code corresponding to the mobile number; obtaining (S710) the verification information corresponding to the target website; filling (S713) a verification information filling position in the login interface of the browser with the verification information; receiving a second preset operation, and logging in to the target website by using the browser in response to the second preset operation, wherein the second preset operation is an operation that is input by a user and that is used to confirm login to the target website. displaying a login interface of a target website, wherein the login interface is a display interface in a browser of the login device; receiving (S701) a first preset operation input on the login interface, wherein the first preset operation is used to choose to log in to the target website in an SMS message verification manner; querying (S702) a mobile number from the verification device in response to the first preset operation, wherein the mobile number is a login account of the target website; obtaining (S703) the mobile number sent by the verification device, and automatically filling (S704) an account filling position in the login interface of the browser with the mobile number; sending (S705) a trigger message to a login filling plug-in of the login device, wherein the trigger message is used to indicate that the mobile number has been filled; querying (S707) verification information corresponding to the target website from the verification device, wherein the verification information is an SMS verification code corresponding to the mobile number; obtaining (S710) the verification information corresponding to the target website; filling (S713) a verification information filling position in the login interface of the browser with the verification information; receiving a second preset operation, and logging in to the target website by using the browser in response to the second preset operation, wherein the second preset operation is an operation that is input by a user and that is used to confirm login to the target website. <EOS>