Under normal circumstances, if the liver fire is strong, it will cause upper body fever, or have the characteristics of upwelling, which is characterized by dizziness, redness, persistent flushing, easy rage, dry mouth, bitter taste, bad breath, headache, dizziness, dry eyes, unstable sleep, sultry body and thick tongue coating. What's more, it can cause syncope and vomiting blood. 2. Excessive liver fire will lead to menstrual disorder, which is caused by excessive liver fire, manifested as decreased menstrual flow, delayed menstruation or amenorrhea; 3. Liver qi can lead to insomnia, mostly because of over-thinking, and anger hurts the liver; It refers to insomnia caused by invasion of liver fire, which is mostly caused by anger hurting the liver and excessive thinking. The liver hides the soul and the liver is full of fire, so it is emotional, restless and easy to be surprised at night. Shugan Qinghuo can be modified by Longdan Xiegan Decoction.