Huangdi, the ancestor of mankind.

Because the Yellow Emperor made great contributions to the people.

According to China's historical records, he unified the tribes in China after Emperor Yan. Its capital has three views: Qufu, Xinzheng and Zhuolu. He calculated the calendar; Teach people to sow food; Xing Wen; Make branches, make musical instruments and make medicine. Auspicious time: The emperor made a big noise as Jiazi, and took the 10-day trunk and 12-day branch in the lunar calendar (Jiazi, Ebou, Guihai, * * * ten years as a cycle) as auspicious time, that is, the 60th anniversary of Taoism.

Mathematics: A system for making numbers and setting weights and measures.

Jun: After the wind, you can catch strange pictures and make array methods.

Music: Linglun takes the bamboo in the valley as the flute tube and sets five tones and twelve methods, which are suitable for today.

Clothes: Lei Zu, Princess of the Yuan Dynasty, began to raise silkworms and make silk clothes.

Medicine: Discuss pathology with Qi Bo and write Neijing.

Writing: Cang Xie started writing with six books.

Casting: Making money with copper from Shoushan (Nanwuli, Xiangcheng County, Henan Province).

Others: the invention of ships, bows and arrows, houses, etc.