The present invention proposes a security information interaction system, terminal, server and method based on the thin terminal mode. Said system comprises an access server which is capable of transferring the application service address associated with the target application service back to said security information interaction terminal based on the security information interaction request from the corresponding security information interaction terminal. The security information interaction system, terminal, server and method based on the thin terminal mode disclosed in the present invention possess the flexible expansibility, can compatibly use multiple servers providing different application services, and have higher work efficiency and higher performance.
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