Chinese New Year, Lantern Festival, Qingming Festival, Dragon Boat Festival, Qixi Festival, Mid-Autumn Festival and Double Ninth Festival are seven highly representative traditional festivals in China, which are closely linked to the ancient people's wisdom of observing celestial phenomena to tell time, adapting to farming seasons and upholding beliefs. This special topic focuses on them, interprets and expounds fine traditional Chinese culture, and enables Chinese and foreign users to understand the Chinese people's time code and cultural roots.