Fire means an imbalance of yin and yang in the human body, and a high level of fire and heat, which is usually caused by factors such as mental stress, poor dietary habits and yin deficiency. 1. Mental stress: If a woman is affected by long-term stress, she will be prone to emotional discomfort (emotional discomfort), liver qi stagnation (the liver’s qi and blood transportation is not smooth, emotional depression), and then depressed and fire, resulting in dizziness, bitter mouth and dry throat and other symptoms of liver fire. 2. Bad eating habits: If a woman has a dietary preference for spicy and stimulating foods such as chili peppers, it may lead to symptoms of stomach fire (exuberant fire and heat in the stomach) such as mouth sores and bad breath. 3. Yin deficiency: Yin deficiency refers to the deficiency of yin fluid, the damage of yin deficiency and the inability to control yang, which leads to the symptoms of yin deficiency and fire (the deficiency of yin essence in the body and the exuberance of deficiency fire) such as the symptoms of five heart-heat (the heart of the two hands and the heart of the two feet are hot, and the self-consciousness of the heart and chest are irritating and hot) in women. If the above symptoms occur, it is recommended to consult a doctor in time to receive standardized treatment.