The invention relates to a web access cloud architecture and an access method. The web access cloud architecture comprises an IP (internet protocol) packet classification engine IPC, a DoS protection engine ADE, an SSL (security socket layer) / TLS (transport layer security) engine, a TCP (transfer control protocol) / IP offload engine TOE, an HTTP (hypertext transfer protocol) offload engine HOE, a file system offload engine FOE, a remote file system offload engine RFOE, a power consumption management engine PEM, a content management engine CM, a CryptoEngineCE and a compression / decompression engine CDE, and also comprises control storage components: a CPU (central processing unit), an on-chip bus and an on-chip memory, wherein the on-chip bus is connected with the CPU, the on-chip memory, the power consumption management engine PEM and the IP packet classification engine IPC, the TCP / IP offload engine TOE, the HTTP offload engine HOE, the content management engine CM, the file system offload engine FOE and the SSL / TLS engine, and the CPU controls the components mounted on the on-chip bus, so that the processing efficiency and security of the existing Web server can be greatly improved, and the power consumption is reduced.