Yin, in the late Shang Dynasty, was named Yin by Pan Geng. Shang Dynasty is the second dynasty in China history after Xia Dynasty, and it is also the first dynasty in China with direct written records of the same period. Shang Tang was the leader of Shang tribe in Xia Dynasty. He led the vassal states to destroy Xia Hou in the battle of Mingtiao, and established Shang Dynasty in Bo (now Shangqiu, Henan). Shang Dynasty is the second dynasty in the history of China, and it is also the first dynasty with direct written records of the same period in China. The Shang Dynasty experienced three main stages. The first stage is "the first venture"; The second stage is "early business"; The third stage was the "Late Shang Dynasty", which lasted for more than 500 years from 17 to 3 1 Wang. In Shang Dynasty, the system of succession to the throne was a brother in the early stage and a typical father-son succession in the later stage. The Shang Dynasty was in the heyday of slavery, the state power was initially established in the Tang Dynasty, and the social order of slavery was relatively stable.