A content screening apparatus for a mobile network, the apparatus comprising: a content screening server, operable for intercepting content from a content provider to a mobile terminal and determining whether the intercepted content from the content provider to the mobile terminal should be categorized and/or graded before screening the intercepted content, wherein the content screening server is connected to mobile service platforms and Internet application platforms wherein content from the Internet is screened by the content screening server before being sent to the mobile terminal, and wherein content from short messages, multimedia messages and Wireless Application Protocol, WAP, applications managed by a mobile operator is screened by the content screening server before being sent to the mobile terminal; wherein the content screening server is further operable for sending a content categorization request if a determination result is yes, and the content screening apparatus further comprises: a categorization entity, operable for categorizing the intercepted content according to the content categorization request from the content screening server, generating a categorizing result and sending the categorizing result to the content screening server; a mobile terminal user database, operable for sending user customized screening criteria stored in the mobile terminal user database to the content screening server, and storing a screening log from the content screening server; wherein the content screening server is further operable for screening the categorized and/or graded content according to the user customized screening criteria from the mobile terminal user database and the categorizing and/or grading result in the content categorization response, and sending the screening log generated to the mobile terminal user database. a content screening server, operable for intercepting content from a content provider to a mobile terminal and determining whether the intercepted content from the content provider to the mobile terminal should be categorized and/or graded before screening the intercepted content, wherein the content screening server is connected to mobile service platforms and Internet application platforms wherein content from the Internet is screened by the content screening server before being sent to the mobile terminal, and wherein content from short messages, multimedia messages and Wireless Application Protocol, WAP, applications managed by a mobile operator is screened by the content screening server before being sent to the mobile terminal; wherein the content screening server is further operable for sending a content categorization request if a determination result is yes, and the content screening apparatus further comprises: a categorization entity, operable for categorizing the intercepted content according to the content categorization request from the content screening server, generating a categorizing result and sending the categorizing result to the content screening server; a mobile terminal user database, operable for sending user customized screening criteria stored in the mobile terminal user database to the content screening server, and storing a screening log from the content screening server; wherein the content screening server is further operable for screening the categorized and/or graded content according to the user customized screening criteria from the mobile terminal user database and the categorizing and/or grading result in the content categorization response, and sending the screening log generated to the mobile terminal user database. a categorization entity, operable for categorizing the intercepted content according to the content categorization request from the content screening server, generating a categorizing result and sending the categorizing result to the content screening server; a mobile terminal user database, operable for sending user customized screening criteria stored in the mobile terminal user database to the content screening server, and storing a screening log from the content screening server; wherein the content screening server is further operable for screening the categorized and/or graded content according to the user customized screening criteria from the mobile terminal user database and the categorizing and/or grading result in the content categorization response, and sending the screening log generated to the mobile terminal user database.