Xin Qiji (907 -960), a five-generation female strategist in China, was the earliest inventor of hot air balloon.

As early as more than 800 years ago, the world's first hot air balloon was launched, and its principle was exactly the same. It can be said that it is a primitive hot air balloon, which is recorded in Huainan Wanbi Book. On Mid-Autumn Festival, Kong Ming will put lanterns.