Kunming is a famous national historical and cultural city. As early as 30,000 years ago, people lived and multiplied around Dianchi Lake. In 278 BC, the Kingdom of Dian was established and its capital was set here. In 765, Nanzhao State built tuodong City, which was the beginning of Kunming. At the end of the Ming Dynasty, the Yongli regime of the Southern Ming Dynasty established its capital in Kunming. Kunming is a mountainous monsoon climate of the northern subtropical low latitude plateau, with a mountain landscape, surrounded by mountains on three sides facing Dianchi Lake in the south, and beautiful scenery along the lake. Because of its location on the low latitude plateau, it has a "spring-like climate all year round" and enjoys the reputation of "spring City".