Fire is the prosper of the matter or the matter's prosperity stage. Fire is the second phase of Wu Xing.

Fire is yang in character. Its motion is upward and its energy is convective.
Fire is associated with Summer, the South, the planet Mars and the Sun, the color red (associated with extreme luck), hot weather, daylight, and the Vermilion Bird (Zhu Que) in the Four Symbols.

In TCM, Fire attributes are considered to be dynamism, strength, and persistence; however, it is also connected to restlessness. The fire element provides warmth, enthusiasm, and creativity; however, an excess of it can bring aggression, impatience, and impulsive behavior. In the same way, fire provides heat and warmth; however, an excess can also burn.
Fire is associated with negative emotions of hate and the positive emotion is joy.

The organs associated with the Fire element are the Heart (yin) and small intestine (yang), tongue, and body's pulse.