The name of the choreographer of Tangdou Square Dance is "Lantern Festival on the 15th day of the first lunar month". Tangdou Square Dance is China’s first square dance video teaching mobile software. It was renamed Tangdou Square Dance in 2015. It is a mobile software for free learning dance videos developed by Beijing Xiaotang Technology Co., Ltd.

Tangdou Square Dance provides more than 2 million massive videos to 100 million dance enthusiasts across the country. It has many functions such as free download, one-click slow play, multiple dance types, and creating your own dance team. Learning to dance just got more fun and easier. At present, Tangdou Square Dance has more than 10 million users, and it has become the most popular community for dancers across the country to learn dance, discuss and communicate for free.

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The custom of making lanterns on the fifteenth day of the first lunar month began in the Western Han Dynasty and flourished in the Sui and Tang Dynasties. After the Sui and Tang Dynasties, the style of lighting became popular in all dynasties and was passed down to later generations. The fifteenth day of the first lunar month is the climax of the annual lantern and fireworks display. On the night of the fifteenth day of the first lunar month, red lanterns are hung high in the streets and alleys, including palace lanterns, animal head lanterns, revolving lanterns, flower lanterns, bird lanterns, etc., attracting people watching the lanterns.