What does Chinese medicine say about female yin deficiency?

Yin deficiency in women refers to a series of symptoms caused by insufficient yin fluid in the body.

In traditional Chinese medicine theory, yin and yang are opposite, and the two restrict each other to ensure the balance of yin and yang, thus maintaining the normal functions of the body. When the yin fluid in the body is insufficient due to age growth, poor mood, improper diet, etc., it can cause yin deficiency, and then cause excessive yang qi in the body, which can cause yin deficiency and internal heat performance, such as facial flushing, dry mouth, afternoon hot flush, dry stool, retching hiccup, dizziness tinnitus, red tongue and less fur, etc., but also can cause menstrual abnormalities, manifested as less menstrual volume, light color, irregular menstruation, etc.