"The Center creates Dampness, which produces Earth, which gives the Sweet, which nourishes the Spleen". Nei Jing.

Earth is the center, it rotates within itself. It is the one that sustains the cycle process and causes the elements to follow each other until returning to the origin. Earth is where plants germinate, it transforms food. Earth sustains, constructions sink if Earth is weak.

• The associated season is late summer or the periods between seasonal changes.
• Functions of transformation, processing.
• Climate: Dampness. It descends and accumulates. It weighs, slows down, quiets, stagnates.
• Color: Yellow.
• Flavor: Sweet.
• Emotion: Worry. Obsession. The mind goes round and round on the same topic. Dissatisfaction.
• Belong to Earth B and E. Remember that Spleen has an ascending movement of the pure and holding of tissues while Stomach descends the impure. Between balanced ascent and descent is the stability of Earth.
• Earth is the servant: it cares for and sustains all the others, that they are content and in harmony, that they lack nothing, with understanding and compassion.

Relationships

• "Mother" of: Metal
• "Son" of: Fire
• Controls: Water
• Controls it: Wood

Pathology

• Pathology according to the five elements

Excess

1. Earth too compact does not allow Water to filter and reserve itself. Aggression.
2. Earth too compact does not allow Wood to grow, expand its roots. Insult.

Deficiency

1. Excess drainage of Wood, it attacks Earth.
2. Deficiency of Fire does not nourish Earth, it cannot transform.