To provide an information providing server which is capable of reducing the amount of data flowing on a network, an information communication terminal corresponding to the information providing server, a computer program used for them, and a packet communication method.

An information providing server 10 is required from an information communication terminal 31 to provide the prescribed information, the information providing server 10 receives a request for the information from the information communication terminal 31, the prescribed information required from the information communication terminal 31 is acquired from a storage means 14b where the prescribed information concerned is stored, packets are formed of the acquired prescribed information and compressed, the compressed packets are sent to the information communication terminal 31, and the information communication terminal 31 receives the compressed packets, expands the compressed packets, and recovers the prescribed information from the expanded packets.