Zhongtian, also known as Zhongtian, Taoguan, Huang Ting, Huang Zhong and Gui Zhong. Zhongdantian is three inches and six points below the heart and three inches and six points below the hilum. It is a hole in the void, and Fiona Fang is one inch and two points, which contains the baldness of innate truth.

Nakata is called "Nakata" for short. Names of body parts. There are different opinions about what it refers to: some people say it is halfway up the mountain, some people say it is full of flowers, and some people say it is Jianggong. Taken together, it can be thought that it goes up to Gai Hua point, down to Jianli point (two inches above the umbilicus) and the part that opens two inches next to its connecting line. It is a place of vigor in traditional Qigong. "On Yuan Qi": "Whether the Fati Yuan is in China or not. Zhong Dantian leaves, from the lower diaphragm to the navel, occupy the position of Zhong Dantian. " It is considered that the middle jiao is the middle abdomen, that is, the position on the umbilicus under the heart. According to intelligent qigong, zhongwantian is the central part where dirty qi and true qi are concentrated and mixed, and it has the functions of harmonizing qi and transmitting qi, including upper jiao lung and middle jiao spleen and stomach.