Zhong Qi is known as Central Qi or Qi of the center.

It refers to the Middle Burner and is another way of calling Spleen and Stomach Qi.

• Also the Post-Heaven Qi that comes from food.

Zhong Qi is another way of calling the function of transformation and transportation of the Spleen.

• In this sense it is also Zhen Qi or True Qi of the Stomach and the Spleen.
• The Central Qi includes the function of Spleen-Qi of ascending, the sinking of Spleen-Qi can be known as Central Qi deficiency.