The invention discloses interconnection and interworking and multi-screen interaction equipment, system and implementation method. The equipment comprises a central processor, a power manager, a WIFI module and an HDMI interface, wherein the power manager, the WIFI module and the HDMI interface are connected with the central processor. A display terminal is connected with the equipment through the HDMI interface, the equipment is in wireless connection with an intelligent terminal through the WIFI module, the intelligent terminal sends information to be shared to the equipment through the WIFI module, and the information is subjected to decoding processing by the central processor of the equipment and transmitted to the display terminal for display through the HDMI interface. According to the interconnection and interworking and multi-screen interaction equipment, system and implementation method, the advantages of each terminal are fully utilized, resources are shared, convenience is brought to users, meanwhile, cost is lowered, and use experience of the users is improved.