Method, device, equipment and system for transmitting and receiving message

The invention relates to a message transmitting device for transmitting and receiving message. According to the scheme of the invention, a method comprises the following steps of: acquiring data memory block information and first description information; acquiring message description information according to the first description information, and storing the message description information in a first transmitting cache block; directly generating to-be-generated message information based on the message description information and the data information included in the first transmitting cache block and a data memory block according to the first transmitting cache block information and the data memory block information; storing the received message information in at least two pre-applied receiving cache blocks; acquiring the first description information from the message description information in the first receiving cache block; and establishing an incidence relation of files of the other receiving cache block a