excessive fire due to yin deficiency refers to the imbalance of yin and yang, and yin deficiency leads to hyperactivity of yang, which generates heat and turns into fire. In addition to the phenomenon of internal heat due to yin deficiency, there are also symptoms such as blushing, red eyes, dry throat, sore throat, bleeding, vexation, little moss, red and thin tongue and rapid pulse.

Etiology

Excessive fire due to yin deficiency belongs to deficiency fire, which is mostly caused by deficiency of essence, lack of blood, severe injury of vaginal fluid and hyperactivity of yang due to yin deficiency. Generally speaking, internal heat due to yin deficiency is more common in general signs of deficiency heat. However, yin deficiency and excessive fire are often concentrated in a certain part of the body. For example, toothache, sore throat, dry mouth and lips, hot flashes due to bone steaming, zygomatic redness, dry stool, short and red urine, etc. caused by deficiency fire.

yin deficiency and excessive fire often have a slow onset and a long course of disease. Its main clinical features are five vexations and fever, red cheekbones, insomnia and night sweats, dry mouth and throat, dizziness, tinnitus, red tongue with little fur and rapid pulse.

the main function of yin-fen is not only to nourish and nourish the viscera and tissues, but also to restrict yang-qi so as not to expose it. Yang is characterized by heat, movement and elevation, while yin is corresponding to cold, quietness and depression. If the yin is deficient and unable to restrict the yang, the human body will have a deficiency-heat state in which the yang is excessive. The so-called "yin deficiency leads to internal heat". Neijing: "Over 4 years old, the yin qi is half." With age, or after fever, or sexual immorality, it is easy to wear out true yin.