Internet application login method and system

The invention provides an Internet application login method, which comprises the following steps of: acquiring a related number corresponding to an identification number for the information gathering platform login of a user; acquiring the site of Internet application which the user selects and is to jump to at an information gathering platform; and querying whether a registration account, corresponding to the related number, for the Internet application exists or not, logging in the Internet application by using the registration account if the registration account, corresponding to the related number, for the Internet application exists, otherwise generating the registration account corresponding to the related number, and logging in the Internet application by using the registration account. By the method and the system provided by the invention, the user can directly jump to and automatically log in the Internet application by the information gathering platform, without second registration or account information filling, so the convenience for use is improved, and the needs of the user in experiences are satisfied.