6. A microblog backend server, comprising: a microblog message server, a statistical analysis server and a microblog intelligence server, wherein, the microblog message server is configured to store a microblog message published by a user; the statistical analysis server is configured to extract one or more keyword(s) from the microblog message according to a preset extracting policy; the microblog intelligence server is configured to determine an application scene of the user according to the extracted keyword(s), match the application scene with the corresponding prestored help information thereof, and obtain and push the matched help information; wherein the determining the application scene of the user according to the obtained keyword(s), the matching the application scene with the corresponding prestored help information thereof, and the obtaining and pushing the matched help information comprise: in the keyword lists corresponding to various application scenes, determining one keyword list that most matches the obtained keyword(s), and setting an application scene corresponding to the determined keyword list as the application scene of the user; and determining the first level of the menus of the help information corresponding to the application scene of the user; according to the one or more keyword(s) comprised in the first level of the menus, traversing the obtained keyword(s) and determining the first level to which the obtained keyword(s) belong(s); according to keywords comprised in a second level of the menus of the help information, traversing the obtained keyword(s) and determining the second level to which the obtained keyword(s) belong(s); continuing traversing till the obtained keyword(s) include(s) no keyword of any corresponding menu; and pushing the help information corresponding to the upper level menu of the last determined menu.
6. A microblog backend server, comprising: a microblog message server, a statistical analysis server and a microblog intelligence server, wherein, the microblog message server is configured to store a microblog message published by a user; the statistical analysis server is configured to extract one or more keyword(s) from the microblog message according to a preset extracting policy; the microblog intelligence server is configured to determine an application scene of the user according to the extracted keyword(s), match the application scene with the corresponding prestored help information thereof, and obtain and push the matched help information; wherein the determining the application scene of the user according to the obtained keyword(s), the matching the application scene with the corresponding prestored help information thereof, and the obtaining and pushing the matched help information comprise: in the keyword lists corresponding to various application scenes, determining one keyword list that most matches the obtained keyword(s), and setting an application scene corresponding to the determined keyword list as the application scene of the user; and determining the first level of the menus of the help information corresponding to the application scene of the user; according to the one or more keyword(s) comprised in the first level of the menus, traversing the obtained keyword(s) and determining the first level to which the obtained keyword(s) belong(s); according to keywords comprised in a second level of the menus of the help information, traversing the obtained keyword(s) and determining the second level to which the obtained keyword(s) belong(s); continuing traversing till the obtained keyword(s) include(s) no keyword of any corresponding menu; and pushing the help information corresponding to the upper level menu of the last determined menu. 7. The microblog backend server according to claim 6 , further comprising: a microblog user server, configured to: store basic information of the user, and according to location information or a user ID comprised in a microblog message body of the microblog message, inquiry, obtain and output the stored basic information of the user to the microblog intelligence server to rematch with the help information obtained by the matching.