The forehead is the part that best shows the outline of a person’s face. Those with large foreheads look larger in outline and have distinct facial features, which makes a deep impression. There is a saying: A general's forehead can run a horse. People who do great things always need a tolerant heart. Only those who can tolerate others or tolerate mistakes have a chance to succeed. This is also what people usually call a big heart. In physiognomy, the forehead is the first place in a person, representing heaven and king. It is the master of the body and governs everything in the human body. Therefore, forehead physiognomy can represent a person's wealth, wealth, poverty, longevity, etc. The forehead is divided into five important parts, namely Tianzhong, Tianting, Sikong, Zhongzheng, and Yintang. From these parts, one can see a person's ancestral feng shui, wisdom, life fortune, etc. This article focuses on introducing this part of Zhongzheng.