The invention relates to the field of smart televisions, and provides a method for quickly registering/logging in a smart television account so as to register/log in a smart television account quickly. The method comprises the steps that a, registration/login information is generated into a two-dimensional code, and the two-dimensional code is stored to a server; b, the server detects whether there is a mobile client used for scanning the two-dimensional code or not at home, if so, the method gets into a step c, and otherwise, the method gets into a step d; c, the server adds the two-dimensional code to a member center entrance of a smart television terminal, and the method gets into a step e; d, the server prompts a user to input a remote mobile phone number, and the two-dimensional code is sent to a remote mobile phone if the user inputs the remote mobile phone number; e, the two-dimensional code is scanned by the mobile client, and a web page corresponding to the two-dimensional code is acquired; and f, a registration/login operation is carried out on the web page. The method provided by the invention is applicable to smart televisions with a troublesome input method.