The individual soldier MESH self-organizing network device is a portable wireless communication system carried by soldiers or small combat units. It can autonomously form a network in battlefield environments without infrastructure support. It is small in size, light in weight, equipped with high-capacity detachable lithium batteries, and convenient for individual soldiers to carry on their backs. It fully frees their hands. It can quickly join the network, automatically perform multi-hop relay, and provide multimedia communication services such as voice group calls, video transmission, and relay transmission for individual soldiers, tactical teams, and tactical police dogs, achieving high-speed collaboration.