China's "Qianfeng" 1 portable air defense missile is the second generation of China's army's personal air defense missile and is also the owner of the famous "Qianfeng" family. The missile has strong flexibility and It is maneuverable, easy to operate, "launch and forget", and has omnidirectional attack capabilities. Its performance has exceeded that of the famous US military "Stinger" missile. Currently, it is installed in front-line units of the Chinese army (such as Tibetan Mountain Infantry Brigade, Chengdu Rapid Reaction Force, etc.). The structural characteristics used in the structural characteristics development process "Avangard" 1 does not have an identification "friend or foe system," and before launch, the target must be confirmed as an enemy aircraft through an aviation intelligence report or visual identification. It uses a single-cavity dual-thrust solid rocket engine. The "avant-garde" 1-digit mark adopts a cone-shaped scanning system, which has no detection blind spots and a large capture field of view. The circuits on the searcher head have been integrated and micro-assembly technology has been adopted. The technology features high reliability, small structural size and light weight.